11515051224525 has 48 divisors (see below), whose sum is σ = 19054384977024. Its totient is φ = 6136147380480.

The previous prime is 11515051224499. The next prime is 11515051224527. The reversal of 11515051224525 is 52542215051511.

It is not a de Polignac number, because 11515051224525 - 2⁵ = 11515051224493 is a prime.

It is a super-2 number, since 2×11515051224525² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515051224527) 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 47 ways as a sum of consecutive naturals, for example, 730318192 + ... + 730333958.

It is an arithmetic number, because the mean of its divisors is an integer number (396966353688).

Almost surely, 2^{11515051224525} is an apocalyptic number.

11515051224525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11515051224525 is a deficient number, since it is larger than the sum of its proper divisors (7539333752499).

11515051224525 is a wasteful number, since it uses less digits than its factorization.

11515051224525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23430 (or 23425 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 39.

The spelling of 11515051224525 in words is "eleven trillion, five hundred fifteen billion, fifty-one million, two hundred twenty-four thousand, five hundred twenty-five".