253424111656 has 32 divisors (see below), whose sum is σ = 486488597760. Its totient is φ = 123697066752.

The previous prime is 253424111653. The next prime is 253424111671. The reversal of 253424111656 is 656111424352.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (253424111653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425056 + ... + 829168.

It is an arithmetic number, because the mean of its divisors is an integer number (15202768680).

Almost surely, 2^253424111656 is an apocalyptic number.

It is an amenable number.

253424111656 is a deficient number, since it is larger than the sum of its proper divisors (233064486104).

253424111656 is a wasteful number, since it uses less digits than its factorization.

253424111656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405985 (or 405981 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The spelling of 253424111656 in words is "two hundred fifty-three billion, four hundred twenty-four million, one hundred eleven thousand, six hundred fifty-six".