1151203534 has 16 divisors (see below), whose sum is σ = 1860411168. Its totient is φ = 531103392.

The previous prime is 1151203481. The next prime is 1151203541. The reversal of 1151203534 is 4353021511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1151203499 and 1151203508.

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, 65959 + ... + 81565.

It is an arithmetic number, because the mean of its divisors is an integer number (116275698).

Almost surely, 2^1151203534 is an apocalyptic number.

1151203534 is a deficient number, since it is larger than the sum of its proper divisors (709207634).

1151203534 is a wasteful number, since it uses less digits than its factorization.

1151203534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18459.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1151203534 is about 33929.3904159801. The cubic root of 1151203534 is about 1048.0549127016.

The spelling of 1151203534 in words is "one billion, one hundred fifty-one million, two hundred three thousand, five hundred thirty-four".