1157909533 has 8 divisors (see below), whose sum is σ = 1329657120. Its totient is φ = 997242480.

The previous prime is 1157909513. The next prime is 1157909567. The reversal of 1157909533 is 3359097511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157909533 is a prime.

It is a super-2 number, since 2×1157909533² = 2681508973224556178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1157909533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157909513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769910 + ... + 2770327.

It is an arithmetic number, because the mean of its divisors is an integer number (166207140).

Almost surely, 2^1157909533 is an apocalyptic number.

It is an amenable number.

1157909533 is a deficient number, since it is larger than the sum of its proper divisors (171747587).

1157909533 is a wasteful number, since it uses less digits than its factorization.

1157909533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540267.

The product of its (nonzero) digits is 127575, while the sum is 43.

The square root of 1157909533 is about 34028.0697806972. The cubic root of 1157909533 is about 1050.0860195590.

The spelling of 1157909533 in words is "one billion, one hundred fifty-seven million, nine hundred nine thousand, five hundred thirty-three".