125981632204 has 6 divisors (see below), whose sum is σ = 220467856364. Its totient is φ = 62990816100.

The previous prime is 125981632099. The next prime is 125981632207. The reversal of 125981632204 is 402236189521.

It is not an unprimeable number, because it can be changed into a prime (125981632207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15747704022 + ... + 15747704029.

Almost surely, 2^125981632204 is an apocalyptic number.

It is an amenable number.

125981632204 is a deficient number, since it is larger than the sum of its proper divisors (94486224160).

125981632204 is a wasteful number, since it uses less digits than its factorization.

125981632204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31495408055 (or 31495408053 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 125981632204 in words is "one hundred twenty-five billion, nine hundred eighty-one million, six hundred thirty-two thousand, two hundred four".