1252755776100 has 72 divisors (see below), whose sum is σ = 3625135177888. Its totient is φ = 334022572800.

The previous prime is 1252755776099. The next prime is 1252755776101. The reversal of 1252755776100 is 16775572521.

It is an interprime number because it is at equal distance from previous prime (1252755776099) and next prime (1252755776101).

It is a self number, because there is not a number n which added to its sum of digits gives 1252755776100.

It is not an unprimeable number, because it can be changed into a prime (1252755776101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1943595 + ... + 2506605.

Almost surely, 2^{1252755776100} is an apocalyptic number.

1252755776100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252755776100 is an abundant number, since it is smaller than the sum of its proper divisors (2372379401788).

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

1252755776100 is a wasteful number, since it uses less digits than its factorization.

1252755776100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570445 (or 570438 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 48.

The spelling of 1252755776100 in words is "one trillion, two hundred fifty-two billion, seven hundred fifty-five million, seven hundred seventy-six thousand, one hundred".