125103155631 has 8 divisors (see below), whose sum is σ = 166911898800. Its totient is φ = 83348258112.

The previous prime is 125103155627. The next prime is 125103155633. The reversal of 125103155631 is 136551301521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125103155631 - 2² = 125103155627 is a prime.

It is a super-2 number, since 2×125103155631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125103155592 and 125103155601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125103155633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13455990 + ... + 13465283.

It is an arithmetic number, because the mean of its divisors is an integer number (20863987350).

Almost surely, 2^125103155631 is an apocalyptic number.

125103155631 is a deficient number, since it is larger than the sum of its proper divisors (41808743169).

125103155631 is a wasteful number, since it uses less digits than its factorization.

125103155631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26922825.

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 125103155631 in words is "one hundred twenty-five billion, one hundred three million, one hundred fifty-five thousand, six hundred thirty-one".