11152515051 has 10 divisors (see below), whose sum is σ = 16659930012. Its totient is φ = 7435009980.

The previous prime is 11152514993. The next prime is 11152515053. The reversal of 11152515051 is 15051525111.

It is a happy number.

11152515051 is a `hidden beast` number, since 1 + 1 + 152 + 5 + 1 + 505 + 1 = 666.

It is not a de Polignac number, because 11152515051 - 2¹¹ = 11152513003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11152515053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68842605 + ... + 68842766.

Almost surely, 2^11152515051 is an apocalyptic number.

11152515051 is a deficient number, since it is larger than the sum of its proper divisors (5507414961).

11152515051 is an equidigital number, since it uses as much as digits as its factorization.

11152515051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137685383 (or 137685374 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 27.

The spelling of 11152515051 in words is "eleven billion, one hundred fifty-two million, five hundred fifteen thousand, fifty-one".