253603522051011 has 48 divisors (see below), whose sum is σ = 402752403301248. Its totient is φ = 152493928828800.

The previous prime is 253603522051003. The next prime is 253603522051013. The reversal of 253603522051011 is 110150225306352.

253603522051011 is a `hidden beast` number, since 2 + 5 + 3 + 60 + 3 + 52 + 20 + 510 + 11 = 666.

It is not a de Polignac number, because 253603522051011 - 2³ = 253603522051003 is a prime.

It is a super-2 number, since 2×253603522051011² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253603522051013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60040135 + ... + 64125071.

It is an arithmetic number, because the mean of its divisors is an integer number (8390675068776).

Almost surely, 2^{253603522051011} is an apocalyptic number.

253603522051011 is a deficient number, since it is larger than the sum of its proper divisors (149148881250237).

253603522051011 is a wasteful number, since it uses less digits than its factorization.

253603522051011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089872 (or 4089869 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 253603522051011 its reverse (110150225306352), we get a palindrome (363753747357363).

The spelling of 253603522051011 in words is "two hundred fifty-three trillion, six hundred three billion, five hundred twenty-two million, fifty-one thousand, eleven".