253634561124 has 48 divisors (see below), whose sum is σ = 676415376000. Its totient is φ = 72460958976.

The previous prime is 253634561119. The next prime is 253634561129. The reversal of 253634561124 is 421165436352.

It is an interprime number because it is at equal distance from previous prime (253634561119) and next prime (253634561129).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (253634561129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937552 + ... + 1177400.

It is an arithmetic number, because the mean of its divisors is an integer number (14091987000).

Almost surely, 2^253634561124 is an apocalyptic number.

It is an amenable number.

253634561124 is an abundant number, since it is smaller than the sum of its proper divisors (422780814876).

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

253634561124 is a wasteful number, since it uses less digits than its factorization.

253634561124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252452 (or 252450 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

Adding to 253634561124 its reverse (421165436352), we get a palindrome (674799997476).

The spelling of 253634561124 in words is "two hundred fifty-three billion, six hundred thirty-four million, five hundred sixty-one thousand, one hundred twenty-four".