1250991280131 has 16 divisors (see below), whose sum is σ = 1674415142400. Its totient is φ = 830781123840.

The previous prime is 1250991280117. The next prime is 1250991280151. The reversal of 1250991280131 is 1310821990521.

It is not a de Polignac number, because 1250991280131 - 2¹⁴ = 1250991263747 is a prime.

It is a super-2 number, since 2×1250991280131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1250991280151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28122195 + ... + 28166643.

It is an arithmetic number, because the mean of its divisors is an integer number (104650946400).

Almost surely, 2^{1250991280131} is an apocalyptic number.

1250991280131 is a deficient number, since it is larger than the sum of its proper divisors (423423862269).

1250991280131 is a wasteful number, since it uses less digits than its factorization.

1250991280131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80386.

The product of its (nonzero) digits is 38880, while the sum is 42.

The spelling of 1250991280131 in words is "one trillion, two hundred fifty billion, nine hundred ninety-one million, two hundred eighty thousand, one hundred thirty-one".