11612203057 has 32 divisors (see below), whose sum is σ = 14520450560. Its totient is φ = 9041932800.

The previous prime is 11612203049. The next prime is 11612203069. The reversal of 11612203057 is 75030221611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11612203057 - 2³ = 11612203049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11612203027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1493893 + ... + 1501645.

It is an arithmetic number, because the mean of its divisors is an integer number (453764080).

Almost surely, 2^11612203057 is an apocalyptic number.

It is an amenable number.

11612203057 is a deficient number, since it is larger than the sum of its proper divisors (2908247503).

11612203057 is a wasteful number, since it uses less digits than its factorization.

11612203057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 11612203057 its reverse (75030221611), we get a palindrome (86642424668).

The spelling of 11612203057 in words is "eleven billion, six hundred twelve million, two hundred three thousand, fifty-seven".