125415152220 has 96 divisors (see below), whose sum is σ = 352482859008. Its totient is φ = 33318484992.

The previous prime is 125415152207. The next prime is 125415152227. The reversal of 125415152220 is 22251514521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125415152227) 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, 26928132 + ... + 26932788.

It is an arithmetic number, because the mean of its divisors is an integer number (3671696448).

Almost surely, 2^125415152220 is an apocalyptic number.

125415152220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125415152220 is an abundant number, since it is smaller than the sum of its proper divisors (227067706788).

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

125415152220 is a wasteful number, since it uses less digits than its factorization.

125415152220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 125415152220 its reverse (22251514521), we get a palindrome (147666666741).

The spelling of 125415152220 in words is "one hundred twenty-five billion, four hundred fifteen million, one hundred fifty-two thousand, two hundred twenty".