253051545020402 has 16 divisors (see below), whose sum is σ = 387653903212032. Its totient is φ = 123833583846240.

The previous prime is 253051545020311. The next prime is 253051545020411. The reversal of 253051545020402 is 204020545150352.

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, 152490902 + ... + 154141422.

It is an arithmetic number, because the mean of its divisors is an integer number (24228368950752).

Almost surely, 2^{253051545020402} is an apocalyptic number.

253051545020402 is a deficient number, since it is larger than the sum of its proper divisors (134602358191630).

253051545020402 is a wasteful number, since it uses less digits than its factorization.

253051545020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281593.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 253051545020402 in words is "two hundred fifty-three trillion, fifty-one billion, five hundred forty-five million, twenty thousand, four hundred two".