11525500250513 has 4 divisors (see below), whose sum is σ = 11525547171300. Its totient is φ = 11525453329728.

The previous prime is 11525500250501. The next prime is 11525500250543. The reversal of 11525500250513 is 31505200552511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6152617319809 + 5372882930704 = 2480447^2 + 2317948^2 .

It is a cyclic number.

It is not a de Polignac number, because 11525500250513 - 2⁴⁰ = 10425988622737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11525500250543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23089988 + ... + 23583861.

It is an arithmetic number, because the mean of its divisors is an integer number (2881386792825).

Almost surely, 2^{11525500250513} is an apocalyptic number.

It is an amenable number.

11525500250513 is a deficient number, since it is larger than the sum of its proper divisors (46920787).

11525500250513 is an equidigital number, since it uses as much as digits as its factorization.

11525500250513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46920786.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 11525500250513 in words is "eleven trillion, five hundred twenty-five billion, five hundred million, two hundred fifty thousand, five hundred thirteen".