125631106644 has 96 divisors (see below), whose sum is σ = 309818234880. Its totient is φ = 39543779968.

The previous prime is 125631106637. The next prime is 125631106651. The reversal of 125631106644 is 446601136521.

It is an interprime number because it is at equal distance from previous prime (125631106637) and next prime (125631106651).

It is a super-2 number, since 2×125631106644² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8645617 + ... + 8660135.

It is an arithmetic number, because the mean of its divisors is an integer number (3227273280).

Almost surely, 2^125631106644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125631106644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154909117440).

125631106644 is an abundant number, since it is smaller than the sum of its proper divisors (184187128236).

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

125631106644 is a wasteful number, since it uses less digits than its factorization.

125631106644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14949 (or 14947 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 125631106644 in words is "one hundred twenty-five billion, six hundred thirty-one million, one hundred six thousand, six hundred forty-four".