253121455123332 has 24 divisors (see below), whose sum is σ = 625358889128736. Its totient is φ = 79410652587648.

The previous prime is 253121455123321. The next prime is 253121455123337. The reversal of 253121455123332 is 233321554121352.

It is not an unprimeable number, because it can be changed into a prime (253121455123337) 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, 620395723138 + ... + 620395723545.

It is an arithmetic number, because the mean of its divisors is an integer number (26056620380364).

Almost surely, 2^{253121455123332} is an apocalyptic number.

It is an amenable number.

253121455123332 is an abundant number, since it is smaller than the sum of its proper divisors (372237434005404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253121455123332 is a wasteful number, since it uses less digits than its factorization.

253121455123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240791446707 (or 1240791446705 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 253121455123332 in words is "two hundred fifty-three trillion, one hundred twenty-one billion, four hundred fifty-five million, one hundred twenty-three thousand, three hundred thirty-two".