12331537550001 has 72 divisors (see below), whose sum is σ = 19101239289600. Its totient is φ = 7952407541280.

The previous prime is 12331537549979. The next prime is 12331537550131. The reversal of 12331537550001 is 10005573513321.

12331537550001 is a `hidden beast` number, since 1 + 2 + 3 + 31 + 53 + 75 + 500 + 0 + 1 = 666.

12331537550001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12331537550001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12331537552001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 524533635 + ... + 524557143.

Almost surely, 2^{12331537550001} is an apocalyptic number.

It is an amenable number.

12331537550001 is a deficient number, since it is larger than the sum of its proper divisors (6769701739599).

12331537550001 is an frugal number, since it uses more digits than its factorization.

12331537550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26143 (or 26122 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The spelling of 12331537550001 in words is "twelve trillion, three hundred thirty-one billion, five hundred thirty-seven million, five hundred fifty thousand, one".