253140252104421 has 12 divisors (see below), whose sum is σ = 398887669982880. Its totient is φ = 153418334608680.

The previous prime is 253140252104417. The next prime is 253140252104431. The reversal of 253140252104421 is 124401252041352.

253140252104421 is a `hidden beast` number, since 2 + 5 + 3 + 14 + 0 + 2 + 5 + 210 + 4 + 421 = 666.

It is not a de Polignac number, because 253140252104421 - 2² = 253140252104417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253140252104431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1278486121641 + ... + 1278486121838.

It is an arithmetic number, because the mean of its divisors is an integer number (33240639165240).

Almost surely, 2^{253140252104421} is an apocalyptic number.

It is an amenable number.

253140252104421 is a deficient number, since it is larger than the sum of its proper divisors (145747417878459).

253140252104421 is a wasteful number, since it uses less digits than its factorization.

253140252104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556972243496 (or 2556972243493 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 253140252104421 in words is "two hundred fifty-three trillion, one hundred forty billion, two hundred fifty-two million, one hundred four thousand, four hundred twenty-one".