253424307511 has 4 divisors (see below), whose sum is σ = 259605388224. Its totient is φ = 247243226800.

The previous prime is 253424307509. The next prime is 253424307527. The reversal of 253424307511 is 115703424352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253424307511 - 2¹ = 253424307509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253424307551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090540295 + ... + 3090540376.

It is an arithmetic number, because the mean of its divisors is an integer number (64901347056).

Almost surely, 2^253424307511 is an apocalyptic number.

253424307511 is a deficient number, since it is larger than the sum of its proper divisors (6181080713).

253424307511 is an equidigital number, since it uses as much as digits as its factorization.

253424307511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181080712.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 253424307511 in words is "two hundred fifty-three billion, four hundred twenty-four million, three hundred seven thousand, five hundred eleven".