125050543651 has 8 divisors (see below), whose sum is σ = 140105769264. Its totient is φ = 110609817120.

The previous prime is 125050543637. The next prime is 125050543669. The reversal of 125050543651 is 156345050521.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-125050543651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125050543651.

It is not an unprimeable number, because it can be changed into a prime (125050543351) 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, 153624340 + ... + 153625153.

It is an arithmetic number, because the mean of its divisors is an integer number (17513221158).

Almost surely, 2^125050543651 is an apocalyptic number.

125050543651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125050543651 is a deficient number, since it is larger than the sum of its proper divisors (15055225613).

125050543651 is a wasteful number, since it uses less digits than its factorization.

125050543651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307249541.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 125050543651 in words is "one hundred twenty-five billion, fifty million, five hundred forty-three thousand, six hundred fifty-one".