125465542512 has 40 divisors (see below), whose sum is σ = 324149550720. Its totient is φ = 41817946560.

The previous prime is 125465542463. The next prime is 125465542591. The reversal of 125465542512 is 215245564521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423187 + ... + 655757.

It is an arithmetic number, because the mean of its divisors is an integer number (8103738768).

Almost surely, 2^125465542512 is an apocalyptic number.

125465542512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125465542512 is an abundant number, since it is smaller than the sum of its proper divisors (198684008208).

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

125465542512 is a wasteful number, since it uses less digits than its factorization.

125465542512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243821 (or 243815 counting only the distinct ones).

The product of its digits is 480000, while the sum is 42.

The spelling of 125465542512 in words is "one hundred twenty-five billion, four hundred sixty-five million, five hundred forty-two thousand, five hundred twelve".