1252631024099 has 64 divisors (see below), whose sum is σ = 1613103206400. Its totient is φ = 966100464000.

The previous prime is 1252631024093. The next prime is 1252631024111. The reversal of 1252631024099 is 9904201362521.

It is a happy number.

It is a Cunningham number, because it is equal to 1119210²-1.

It is not a de Polignac number, because 1252631024099 - 2³⁶ = 1183911547363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252631024093) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52590917 + ... + 52614729.

It is an arithmetic number, because the mean of its divisors is an integer number (25204737600).

Almost surely, 2^{1252631024099} is an apocalyptic number.

1252631024099 is a deficient number, since it is larger than the sum of its proper divisors (360472182301).

1252631024099 is a wasteful number, since it uses less digits than its factorization.

1252631024099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24145 (or 24131 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 1252631024099 in words is "one trillion, two hundred fifty-two billion, six hundred thirty-one million, twenty-four thousand, ninety-nine".