2125552131 has 16 divisors (see below), whose sum is σ = 3150437920. Its totient is φ = 1416372480.

The previous prime is 2125552127. The next prime is 2125552139. The reversal of 2125552131 is 1312555212.

2125552131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2125552131 - 2² = 2125552127 is a prime.

It is a super-2 number, since 2×2125552131² = 9035943723197282322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125552095 and 2125552104.

It is not an unprimeable number, because it can be changed into a prime (2125552139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44331 + ... + 78843.

It is an arithmetic number, because the mean of its divisors is an integer number (196902370).

Almost surely, 2^2125552131 is an apocalyptic number.

2125552131 is a deficient number, since it is larger than the sum of its proper divisors (1024885789).

2125552131 is a wasteful number, since it uses less digits than its factorization.

2125552131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36803 (or 36797 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 2125552131 is about 46103.7105990396. The cubic root of 2125552131 is about 1285.7521334732.

The spelling of 2125552131 in words is "two billion, one hundred twenty-five million, five hundred fifty-two thousand, one hundred thirty-one".