1252901266664 has 32 divisors (see below), whose sum is σ = 2352667680000. Its totient is φ = 625523692032.

The previous prime is 1252901266663. The next prime is 1252901266699. The reversal of 1252901266664 is 4666621092521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1252901266663) 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, 22748792 + ... + 22803800.

It is an arithmetic number, because the mean of its divisors is an integer number (73520865000).

Almost surely, 2^{1252901266664} is an apocalyptic number.

It is an amenable number.

1252901266664 is a deficient number, since it is larger than the sum of its proper divisors (1099766413336).

1252901266664 is a wasteful number, since it uses less digits than its factorization.

1252901266664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59177 (or 59173 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 1252901266664 in words is "one trillion, two hundred fifty-two billion, nine hundred one million, two hundred sixty-six thousand, six hundred sixty-four".