253865108312 has 16 divisors (see below), whose sum is σ = 484978155840. Its totient is φ = 124537600096.

The previous prime is 253865108249. The next prime is 253865108317. The reversal of 253865108312 is 213801568352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253865108317) 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, 299368808 + ... + 299369655.

It is an arithmetic number, because the mean of its divisors is an integer number (30311134740).

Almost surely, 2^253865108312 is an apocalyptic number.

It is an amenable number.

253865108312 is a deficient number, since it is larger than the sum of its proper divisors (231113047528).

253865108312 is a wasteful number, since it uses less digits than its factorization.

253865108312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598738522 (or 598738518 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 253865108312 in words is "two hundred fifty-three billion, eight hundred sixty-five million, one hundred eight thousand, three hundred twelve".