1151564254 has 16 divisors (see below), whose sum is σ = 1784572416. Its totient is φ = 556738200.

The previous prime is 1151564213. The next prime is 1151564287. The reversal of 1151564254 is 4524651511.

It is a super-2 number, since 2×1151564254² = 2652200462181153032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72849 + ... + 87235.

It is an arithmetic number, because the mean of its divisors is an integer number (111535776).

Almost surely, 2^1151564254 is an apocalyptic number.

1151564254 is a deficient number, since it is larger than the sum of its proper divisors (633008162).

1151564254 is a wasteful number, since it uses less digits than its factorization.

1151564254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711.

The product of its digits is 24000, while the sum is 34.

The square root of 1151564254 is about 33934.7057450039. The cubic root of 1151564254 is about 1048.1643676842.

The spelling of 1151564254 in words is "one billion, one hundred fifty-one million, five hundred sixty-four thousand, two hundred fifty-four".