2131112625901 has 4 divisors (see below), whose sum is σ = 2435557286752. Its totient is φ = 1826667965052.

The previous prime is 2131112625899. The next prime is 2131112625959. The reversal of 2131112625901 is 1095262111312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2131112625901 - 2¹ = 2131112625899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131112625991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152222330415 + ... + 152222330428.

It is an arithmetic number, because the mean of its divisors is an integer number (608889321688).

Almost surely, 2^{2131112625901} is an apocalyptic number.

It is an amenable number.

2131112625901 is a deficient number, since it is larger than the sum of its proper divisors (304444660851).

2131112625901 is an equidigital number, since it uses as much as digits as its factorization.

2131112625901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304444660850.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 2131112625901 in words is "two trillion, one hundred thirty-one billion, one hundred twelve million, six hundred twenty-five thousand, nine hundred one".