125205515214 has 128 divisors (see below), whose sum is σ = 279872796672. Its totient is φ = 37095183360.

The previous prime is 125205515203. The next prime is 125205515249. The reversal of 125205515214 is 412515502521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125581764 + ... + 125582760.

It is an arithmetic number, because the mean of its divisors is an integer number (2186506224).

Almost surely, 2^125205515214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125205515214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139936398336).

125205515214 is an abundant number, since it is smaller than the sum of its proper divisors (154667281458).

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

125205515214 is a wasteful number, since it uses less digits than its factorization.

125205515214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 125205515214 in words is "one hundred twenty-five billion, two hundred five million, five hundred fifteen thousand, two hundred fourteen".