1250279140164 has 12 divisors (see below), whose sum is σ = 2917317993744. Its totient is φ = 416759713384.

The previous prime is 1250279140129. The next prime is 1250279140183. The reversal of 1250279140164 is 4610419720521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52094964162 + ... + 52094964185.

It is an arithmetic number, because the mean of its divisors is an integer number (243109832812).

Almost surely, 2^{1250279140164} is an apocalyptic number.

It is an amenable number.

1250279140164 is an abundant number, since it is smaller than the sum of its proper divisors (1667038853580).

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

1250279140164 is a wasteful number, since it uses less digits than its factorization.

1250279140164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104189928354 (or 104189928352 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 1250279140164 in words is "one trillion, two hundred fifty billion, two hundred seventy-nine million, one hundred forty thousand, one hundred sixty-four".