251453132539992 has 48 divisors (see below), whose sum is σ = 681442156941000. Its totient is φ = 83765617762176.

The previous prime is 251453132539991. The next prime is 251453132540009. The reversal of 251453132539992 is 299935231354152.

251453132539992 is a `hidden beast` number, since 2 + 5 + 1 + 4 + 5 + 3 + 1 + 3 + 2 + 539 + 9 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251453132539991) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1085155942 + ... + 1085387637.

Almost surely, 2^{251453132539992} is an apocalyptic number.

It is an amenable number.

251453132539992 is an abundant number, since it is smaller than the sum of its proper divisors (429989024401008).

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

251453132539992 is a wasteful number, since it uses less digits than its factorization.

251453132539992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170545200 (or 2170545193 counting only the distinct ones).

The product of its digits is 78732000, while the sum is 63.

The spelling of 251453132539992 in words is "two hundred fifty-one trillion, four hundred fifty-three billion, one hundred thirty-two million, five hundred thirty-nine thousand, nine hundred ninety-two".