253782111231 has 64 divisors (see below), whose sum is σ = 422152174080. Its totient is φ = 149343264000.

The previous prime is 253782111229. The next prime is 253782111241. The reversal of 253782111231 is 132111287352.

253782111231 is a `hidden beast` number, since 2 + 537 + 8 + 2 + 1 + 112 + 3 + 1 = 666.

It is not a de Polignac number, because 253782111231 - 2¹ = 253782111229 is a prime.

It is a super-2 number, since 2×253782111231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253782111241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2519961 + ... + 2618733.

It is an arithmetic number, because the mean of its divisors is an integer number (6596127720).

Almost surely, 2^253782111231 is an apocalyptic number.

253782111231 is a deficient number, since it is larger than the sum of its proper divisors (168370062849).

253782111231 is a wasteful number, since it uses less digits than its factorization.

253782111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99045 (or 99039 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

Adding to 253782111231 its reverse (132111287352), we get a palindrome (385893398583).

The spelling of 253782111231 in words is "two hundred fifty-three billion, seven hundred eighty-two million, one hundred eleven thousand, two hundred thirty-one".