12601157559552 has 108 divisors (see below), whose sum is σ = 36333982033440. Its totient is φ = 4200184894464.

The previous prime is 12601157559539. The next prime is 12601157559563. The reversal of 12601157559552 is 25595575110621.

It is a happy number.

12601157559552 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 1 + 15 + 75 + 5 + 9 + 552 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52658349 + ... + 52897107.

Almost surely, 2^{12601157559552} is an apocalyptic number.

12601157559552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12601157559552 is an abundant number, since it is smaller than the sum of its proper divisors (23732824473888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12601157559552 is a wasteful number, since it uses less digits than its factorization.

12601157559552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261688 (or 261671 counting only the distinct ones).

The product of its (nonzero) digits is 4725000, while the sum is 54.

The spelling of 12601157559552 in words is "twelve trillion, six hundred one billion, one hundred fifty-seven million, five hundred fifty-nine thousand, five hundred fifty-two".