11537116456 has 16 divisors (see below), whose sum is σ = 21954961440. Its totient is φ = 5682460080.

The previous prime is 11537116439. The next prime is 11537116489. The reversal of 11537116456 is 65461173511.

It is a super-2 number, since 2×11537116456² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10761700 + ... + 10762771.

It is an arithmetic number, because the mean of its divisors is an integer number (1372185090).

Almost surely, 2^11537116456 is an apocalyptic number.

It is an amenable number.

11537116456 is a deficient number, since it is larger than the sum of its proper divisors (10417844984).

11537116456 is a wasteful number, since it uses less digits than its factorization.

11537116456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21524544 (or 21524540 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

Adding to 11537116456 its reverse (65461173511), we get a palindrome (76998289967).

The spelling of 11537116456 in words is "eleven billion, five hundred thirty-seven million, one hundred sixteen thousand, four hundred fifty-six".