252780529999 has 16 divisors (see below), whose sum is σ = 267036134400. Its totient is φ = 238621432896.

The previous prime is 252780529993. The next prime is 252780530027. The reversal of 252780529999 is 999925087252.

It is a de Polignac number, because none of the positive numbers 2^k-252780529999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252780529993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6851947 + ... + 6888739.

It is an arithmetic number, because the mean of its divisors is an integer number (16689758400).

Almost surely, 2^252780529999 is an apocalyptic number.

252780529999 is a deficient number, since it is larger than the sum of its proper divisors (14255604401).

252780529999 is a wasteful number, since it uses less digits than its factorization.

252780529999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38094.

The product of its (nonzero) digits is 73483200, while the sum is 67.

The spelling of 252780529999 in words is "two hundred fifty-two billion, seven hundred eighty million, five hundred twenty-nine thousand, nine hundred ninety-nine".