1252761911104 has 84 divisors (see below), whose sum is σ = 2732923464292. Its totient is φ = 569346877440.

The previous prime is 1252761911069. The next prime is 1252761911111. The reversal of 1252761911104 is 4011191672521.

It can be written as a sum of positive squares in 2 ways, for example, as 70862440000 + 1181899471104 = 266200^2 + 1087152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86051794 + ... + 86066350.

Almost surely, 2^{1252761911104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252761911104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366461732146).

1252761911104 is an abundant number, since it is smaller than the sum of its proper divisors (1480161553188).

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

1252761911104 is a wasteful number, since it uses less digits than its factorization.

1252761911104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25704 (or 25683 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 1252761911104 in words is "one trillion, two hundred fifty-two billion, seven hundred sixty-one million, nine hundred eleven thousand, one hundred four".