251453031616132 has 24 divisors (see below), whose sum is σ = 440760181680000. Its totient is φ = 125521712596896.

The previous prime is 251453031616123. The next prime is 251453031616151. The reversal of 251453031616132 is 231616130354152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13951483 + ... + 26411170.

It is an arithmetic number, because the mean of its divisors is an integer number (18365007570000).

Almost surely, 2^{251453031616132} is an apocalyptic number.

It is an amenable number.

251453031616132 is a deficient number, since it is larger than the sum of its proper divisors (189307150063868).

251453031616132 is a wasteful number, since it uses less digits than its factorization.

251453031616132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40365195 (or 40365193 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 251453031616132 in words is "two hundred fifty-one trillion, four hundred fifty-three billion, thirty-one million, six hundred sixteen thousand, one hundred thirty-two".