125554134534 has 32 divisors (see below), whose sum is σ = 252604811520. Its totient is φ = 41602128672.

The previous prime is 125554134529. The next prime is 125554134553. The reversal of 125554134534 is 435431455521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3080392 + ... + 3120884.

It is an arithmetic number, because the mean of its divisors is an integer number (7893900360).

Almost surely, 2^125554134534 is an apocalyptic number.

125554134534 is an abundant number, since it is smaller than the sum of its proper divisors (127050676986).

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

125554134534 is a wasteful number, since it uses less digits than its factorization.

125554134534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43564.

The product of its digits is 720000, while the sum is 42.

The spelling of 125554134534 in words is "one hundred twenty-five billion, five hundred fifty-four million, one hundred thirty-four thousand, five hundred thirty-four".