11151325155555 has 96 divisors (see below), whose sum is σ = 20875464529920. Its totient is φ = 5474168985600.

The previous prime is 11151325155479. The next prime is 11151325155569. The reversal of 11151325155555 is 55555152315111.

It is a happy number.

11151325155555 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 1 + 32 + 515 + 55 + 55 = 666.

It is not a de Polignac number, because 11151325155555 - 2²⁷ = 11151190937827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11151325155555.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 342711247 + ... + 342743783.

It is an arithmetic number, because the mean of its divisors is an integer number (217452755520).

Almost surely, 2^{11151325155555} is an apocalyptic number.

11151325155555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11151325155555 is a deficient number, since it is larger than the sum of its proper divisors (9724139374365).

11151325155555 is a wasteful number, since it uses less digits than its factorization.

11151325155555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34221 (or 34218 counting only the distinct ones).

The product of its digits is 468750, while the sum is 45.

The spelling of 11151325155555 in words is "eleven trillion, one hundred fifty-one billion, three hundred twenty-five million, one hundred fifty-five thousand, five hundred fifty-five".