125514215500 has 48 divisors (see below), whose sum is σ = 278214509664. Its totient is φ = 49456334400.

The previous prime is 125514215483. The next prime is 125514215503. The reversal of 125514215500 is 5512415521.

It is not an unprimeable number, because it can be changed into a prime (125514215503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1839847 + ... + 1906846.

It is an arithmetic number, because the mean of its divisors is an integer number (5796135618).

Almost surely, 2^125514215500 is an apocalyptic number.

125514215500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125514215500 is an abundant number, since it is smaller than the sum of its proper divisors (152700294164).

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

125514215500 is a wasteful number, since it uses less digits than its factorization.

125514215500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746779 (or 3746767 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 125514215500 in words is "one hundred twenty-five billion, five hundred fourteen million, two hundred fifteen thousand, five hundred".