11621352640525 has 48 divisors (see below), whose sum is σ = 15208159472640. Its totient is φ = 8785005508800.

The previous prime is 11621352640519. The next prime is 11621352640609. The reversal of 11621352640525 is 52504625312611.

It is not a de Polignac number, because 11621352640525 - 2⁹ = 11621352640013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343089340 + ... + 343123210.

It is an arithmetic number, because the mean of its divisors is an integer number (316836655680).

Almost surely, 2^{11621352640525} is an apocalyptic number.

It is an amenable number.

11621352640525 is a deficient number, since it is larger than the sum of its proper divisors (3586806832115).

11621352640525 is a wasteful number, since it uses less digits than its factorization.

11621352640525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35746 (or 35741 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 11621352640525 in words is "eleven trillion, six hundred twenty-one billion, three hundred fifty-two million, six hundred forty thousand, five hundred twenty-five".