253432305520511 has 8 divisors (see below), whose sum is σ = 272955042189984. Its totient is φ = 233913560842080.

The previous prime is 253432305520507. The next prime is 253432305520549. The reversal of 253432305520511 is 115025503234352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253432305520511 - 2² = 253432305520507 is a prime.

It is a super-2 number, since 2×253432305520511² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253432305520501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997865900 + ... + 998119841.

It is an arithmetic number, because the mean of its divisors is an integer number (34119380273748).

Almost surely, 2^{253432305520511} is an apocalyptic number.

253432305520511 is a deficient number, since it is larger than the sum of its proper divisors (19522736669473).

253432305520511 is a wasteful number, since it uses less digits than its factorization.

253432305520511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995995521.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 253432305520511 its reverse (115025503234352), we get a palindrome (368457808754863).

The spelling of 253432305520511 in words is "two hundred fifty-three trillion, four hundred thirty-two billion, three hundred five million, five hundred twenty thousand, five hundred eleven".