1254252521104 has 80 divisors (see below), whose sum is σ = 2661497403264. Its totient is φ = 567866649600.

The previous prime is 1254252521069. The next prime is 1254252521111. The reversal of 1254252521104 is 4011252524521.

It is a self number, because there is not a number n which added to its sum of digits gives 1254252521104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117621277 + ... + 117631939.

Almost surely, 2^{1254252521104} 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 1254252521104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330748701632).

1254252521104 is an abundant number, since it is smaller than the sum of its proper divisors (1407244882160).

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

1254252521104 is a wasteful number, since it uses less digits than its factorization.

1254252521104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256 (or 13250 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 1254252521104 in words is "one trillion, two hundred fifty-four billion, two hundred fifty-two million, five hundred twenty-one thousand, one hundred four".