1152013531 has 8 divisors (see below), whose sum is σ = 1183014000. Its totient is φ = 1121151360.

The previous prime is 1152013507. The next prime is 1152013543. The reversal of 1152013531 is 1353102511.

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

It is a cyclic number.

It is not a de Polignac number, because 1152013531 - 2²¹ = 1149916379 is a prime.

It is a super-2 number, since 2×1152013531² = 2654270351214175922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1152013561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17581 + ... + 51118.

It is an arithmetic number, because the mean of its divisors is an integer number (147876750).

Almost surely, 2^1152013531 is an apocalyptic number.

1152013531 is a deficient number, since it is larger than the sum of its proper divisors (31000469).

1152013531 is an equidigital number, since it uses as much as digits as its factorization.

1152013531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69149.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1152013531 is about 33941.3248268243. The cubic root of 1152013531 is about 1048.3006619790.

The spelling of 1152013531 in words is "one billion, one hundred fifty-two million, thirteen thousand, five hundred thirty-one".