125556430434 has 8 divisors (see below), whose sum is σ = 251112860880. Its totient is φ = 41852143476.

The previous prime is 125556430421. The next prime is 125556430529. The reversal of 125556430434 is 434034655521.

It is a sphenic number, since it is the product of 3 distinct primes.

125556430434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10463035864 + ... + 10463035875.

It is an arithmetic number, because the mean of its divisors is an integer number (31389107610).

Almost surely, 2^125556430434 is an apocalyptic number.

125556430434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125556430434 is a wasteful number, since it uses less digits than its factorization.

125556430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926071744.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 125556430434 in words is "one hundred twenty-five billion, five hundred fifty-six million, four hundred thirty thousand, four hundred thirty-four".