11525600643 has 8 divisors (see below), whose sum is σ = 15369248448. Its totient is φ = 7682843304.

The previous prime is 11525600627. The next prime is 11525600663. The reversal of 11525600643 is 34600652511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11525600643 - 2⁴ = 11525600627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11525600663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191805 + ... + 244622.

It is an arithmetic number, because the mean of its divisors is an integer number (1921156056).

Almost surely, 2^11525600643 is an apocalyptic number.

11525600643 is a deficient number, since it is larger than the sum of its proper divisors (3843647805).

11525600643 is an equidigital number, since it uses as much as digits as its factorization.

11525600643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445233.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 11525600643 in words is "eleven billion, five hundred twenty-five million, six hundred thousand, six hundred forty-three".