125151667620 has 48 divisors (see below), whose sum is σ = 400485337728. Its totient is φ = 28606095360.

The previous prime is 125151667601. The next prime is 125151667637. The reversal of 125151667620 is 26766151521.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148989661 + ... + 148990500.

It is an arithmetic number, because the mean of its divisors is an integer number (8343444536).

Almost surely, 2^125151667620 is an apocalyptic number.

125151667620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125151667620 is an abundant number, since it is smaller than the sum of its proper divisors (275333670108).

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

125151667620 is a wasteful number, since it uses less digits than its factorization.

125151667620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297980180 (or 297980178 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 125151667620 in words is "one hundred twenty-five billion, one hundred fifty-one million, six hundred sixty-seven thousand, six hundred twenty".