1151402056 has 32 divisors (see below), whose sum is σ = 2524674240. Its totient is φ = 481981248.

The previous prime is 1151402017. The next prime is 1151402059. The reversal of 1151402056 is 6502041511.

It is a happy number.

It is a super-3 number, since 3×1151402056³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1151402056.

It is not an unprimeable number, because it can be changed into a prime (1151402059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236671 + ... + 241486.

It is an arithmetic number, because the mean of its divisors is an integer number (78896070).

Almost surely, 2^1151402056 is an apocalyptic number.

It is an amenable number.

1151402056 is an abundant number, since it is smaller than the sum of its proper divisors (1373272184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151402056 is a wasteful number, since it uses less digits than its factorization.

1151402056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478213 (or 478209 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1151402056 is about 33932.3158066171. The cubic root of 1151402056 is about 1048.1151540034.

Adding to 1151402056 its reverse (6502041511), we get a palindrome (7653443567).

The spelling of 1151402056 in words is "one billion, one hundred fifty-one million, four hundred two thousand, fifty-six".