1250137912664 has 32 divisors (see below), whose sum is σ = 2366921157120. Its totient is φ = 618959734176.

The previous prime is 1250137912663. The next prime is 1250137912703. The reversal of 1250137912664 is 4662197310521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250137912663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15453329 + ... + 15534015.

It is an arithmetic number, because the mean of its divisors is an integer number (73966286160).

Almost surely, 2^{1250137912664} is an apocalyptic number.

It is an amenable number.

1250137912664 is a deficient number, since it is larger than the sum of its proper divisors (1116783244456).

1250137912664 is a wasteful number, since it uses less digits than its factorization.

1250137912664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99599 (or 99595 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 1250137912664 in words is "one trillion, two hundred fifty billion, one hundred thirty-seven million, nine hundred twelve thousand, six hundred sixty-four".