252777513775 has 6 divisors (see below), whose sum is σ = 313444117112. Its totient is φ = 202222011000.

The previous prime is 252777513767. The next prime is 252777513829. The reversal of 252777513775 is 577315777252.

It is a happy number.

It is not a de Polignac number, because 252777513775 - 2³ = 252777513767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5055550251 + ... + 5055550300.

Almost surely, 2^252777513775 is an apocalyptic number.

252777513775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

252777513775 is a deficient number, since it is larger than the sum of its proper divisors (60666603337).

252777513775 is a wasteful number, since it uses less digits than its factorization.

252777513775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111100561 (or 10111100556 counting only the distinct ones).

The product of its digits is 25210500, while the sum is 58.

The spelling of 252777513775 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, five hundred thirteen thousand, seven hundred seventy-five".