129962553612544 has 27 divisors (see below), whose sum is σ = 259417805091627. Its totient is φ = 64981185605376.

The previous prime is 129962553612499. The next prime is 129962553612599. The reversal of 129962553612544 is 445216355269921.

The square root of 129962553612544 is 11400112.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 182045539 + ... + 182758045.

Almost surely, 2^{129962553612544} is an apocalyptic number.

129962553612544 is the 11400112-nd square number.

It is an amenable number.

129962553612544 is a deficient number, since it is larger than the sum of its proper divisors (129455251479083).

129962553612544 is an frugal number, since it uses more digits than its factorization.

129962553612544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425030 (or 712509 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 64.

129962553612544 divided by its sum of digits (64) gives a square (2030664900196 = 1425014²).

The spelling of 129962553612544 in words is "one hundred twenty-nine trillion, nine hundred sixty-two billion, five hundred fifty-three million, six hundred twelve thousand, five hundred forty-four".