125881671506884 has 12 divisors (see below), whose sum is σ = 220293030984208. Its totient is φ = 62940805511400.

The previous prime is 125881671506813. The next prime is 125881671506989. The reversal of 125881671506884 is 488605176188521.

It is a super-2 number, since 2×125881671506884² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3652999 + ... + 16282129.

Almost surely, 2^{125881671506884} is an apocalyptic number.

It is an amenable number.

125881671506884 is a deficient number, since it is larger than the sum of its proper divisors (94411359477324).

125881671506884 is a wasteful number, since it uses less digits than its factorization.

125881671506884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121026 (or 15121024 counting only the distinct ones).

The product of its (nonzero) digits is 206438400, while the sum is 70.

The spelling of 125881671506884 in words is "one hundred twenty-five trillion, eight hundred eighty-one billion, six hundred seventy-one million, five hundred six thousand, eight hundred eighty-four".