125455530530 has 64 divisors (see below), whose sum is σ = 263233618560. Its totient is φ = 42542668800.

The previous prime is 125455530491. The next prime is 125455530587. The reversal of 125455530530 is 35035554521.

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, 103916 + ... + 511575.

It is an arithmetic number, because the mean of its divisors is an integer number (4113025290).

Almost surely, 2^125455530530 is an apocalyptic number.

125455530530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125455530530 is an abundant number, since it is smaller than the sum of its proper divisors (137778088030).

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

125455530530 is a wasteful number, since it uses less digits than its factorization.

125455530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615635.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 125455530530 in words is "one hundred twenty-five billion, four hundred fifty-five million, five hundred thirty thousand, five hundred thirty".