125520332115 has 32 divisors (see below), whose sum is σ = 206495956800. Its totient is φ = 65068513280.

The previous prime is 125520332107. The next prime is 125520332117. The reversal of 125520332115 is 511233025521.

It is not a de Polignac number, because 125520332115 - 2³ = 125520332107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125520332117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213930 + ... + 544799.

It is an arithmetic number, because the mean of its divisors is an integer number (6452998650).

Almost surely, 2^125520332115 is an apocalyptic number.

125520332115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125520332115 is a deficient number, since it is larger than the sum of its proper divisors (80975624685).

125520332115 is a wasteful number, since it uses less digits than its factorization.

125520332115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759047.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 125520332115 its reverse (511233025521), we get a palindrome (636753357636).

The spelling of 125520332115 in words is "one hundred twenty-five billion, five hundred twenty million, three hundred thirty-two thousand, one hundred fifteen".