11525730751 has 4 divisors (see below), whose sum is σ = 11526315952. Its totient is φ = 11525145552.

The previous prime is 11525730743. The next prime is 11525730761. The reversal of 11525730751 is 15703752511.

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

It is a cyclic number.

It is not a de Polignac number, because 11525730751 - 2³ = 11525730743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11525730751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525730731) 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 3 ways as a sum of consecutive naturals, for example, 261990 + ... + 302803.

It is an arithmetic number, because the mean of its divisors is an integer number (2881578988).

Almost surely, 2^11525730751 is an apocalyptic number.

11525730751 is a deficient number, since it is larger than the sum of its proper divisors (585201).

11525730751 is an equidigital number, since it uses as much as digits as its factorization.

11525730751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585200.

The product of its (nonzero) digits is 36750, while the sum is 37.

The spelling of 11525730751 in words is "eleven billion, five hundred twenty-five million, seven hundred thirty thousand, seven hundred fifty-one".