11656154433136 has 40 divisors (see below), whose sum is σ = 22796166666240. Its totient is φ = 5773411998144.

The previous prime is 11656154433109. The next prime is 11656154433139. The reversal of 11656154433136 is 63133445165611.

11656154433136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×11656154433136⁴ (a number of 53 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11656154433136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11656154433139) 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, 3013186 + ... + 5691361.

It is an arithmetic number, because the mean of its divisors is an integer number (569904166656).

Almost surely, 2^{11656154433136} is an apocalyptic number.

11656154433136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11656154433136 is a deficient number, since it is larger than the sum of its proper divisors (11140012233104).

11656154433136 is a wasteful number, since it uses less digits than its factorization.

11656154433136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705341 (or 8705335 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 49.

Adding to 11656154433136 its reverse (63133445165611), we get a palindrome (74789599598747).

The spelling of 11656154433136 in words is "eleven trillion, six hundred fifty-six billion, one hundred fifty-four million, four hundred thirty-three thousand, one hundred thirty-six".