1157016612 has 12 divisors (see below), whose sum is σ = 2699705456. Its totient is φ = 385672200.

The previous prime is 1157016611. The next prime is 1157016629. The reversal of 1157016612 is 2166107511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1157016612.

It is not an unprimeable number, because it can be changed into a prime (1157016611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48209014 + ... + 48209037.

Almost surely, 2^1157016612 is an apocalyptic number.

1157016612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1157016612 is an abundant number, since it is smaller than the sum of its proper divisors (1542688844).

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

1157016612 is a wasteful number, since it uses less digits than its factorization.

1157016612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96418058 (or 96418056 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1157016612 is about 34014.9468910360. The cubic root of 1157016612 is about 1049.8160258170.

It can be divided in two parts, 11570 and 16612, that added together give a palindrome (28182).

The spelling of 1157016612 in words is "one billion, one hundred fifty-seven million, sixteen thousand, six hundred twelve".