11151215504 has 40 divisors (see below), whose sum is σ = 25382667072. Its totient is φ = 4678830720.

The previous prime is 11151215503. The next prime is 11151215513. The reversal of 11151215504 is 40551215111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (11151215503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434604 + ... + 2439179.

Almost surely, 2^11151215504 is an apocalyptic number.

It is an amenable number.

11151215504 is an abundant number, since it is smaller than the sum of its proper divisors (14231451568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11151215504 is a wasteful number, since it uses less digits than its factorization.

11151215504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873815 (or 4873809 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 26.

The spelling of 11151215504 in words is "eleven billion, one hundred fifty-one million, two hundred fifteen thousand, five hundred four".