253286113891538 has 64 divisors (see below), whose sum is σ = 467853534005760. Its totient is φ = 100147881917952.

The previous prime is 253286113891537. The next prime is 253286113891579. The reversal of 253286113891538 is 835198311682352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (253286113891537) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4063795331 + ... + 4063857657.

It is an arithmetic number, because the mean of its divisors is an integer number (7310211468840).

Almost surely, 2^{253286113891538} is an apocalyptic number.

253286113891538 is a deficient number, since it is larger than the sum of its proper divisors (214567420114222).

253286113891538 is a wasteful number, since it uses less digits than its factorization.

253286113891538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73851.

The product of its digits is 74649600, while the sum is 65.

The spelling of 253286113891538 in words is "two hundred fifty-three trillion, two hundred eighty-six billion, one hundred thirteen million, eight hundred ninety-one thousand, five hundred thirty-eight".