253111521452 has 24 divisors (see below), whose sum is σ = 451725195600. Its totient is φ = 124051651776.

The previous prime is 253111521427. The next prime is 253111521473. The reversal of 253111521452 is 254125111352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331802 + ... + 785057.

It is an arithmetic number, because the mean of its divisors is an integer number (18821883150).

Almost surely, 2^253111521452 is an apocalyptic number.

It is an amenable number.

253111521452 is a deficient number, since it is larger than the sum of its proper divisors (198613674148).

253111521452 is a wasteful number, since it uses less digits than its factorization.

253111521452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117985 (or 1117983 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The spelling of 253111521452 in words is "two hundred fifty-three billion, one hundred eleven million, five hundred twenty-one thousand, four hundred fifty-two".