253400545340515 has 32 divisors (see below), whose sum is σ = 336047727818880. Its totient is φ = 182456033869824.

The previous prime is 253400545340441. The next prime is 253400545340519. The reversal of 253400545340515 is 515043545004352.

It is a cyclic number.

It is not a de Polignac number, because 253400545340515 - 2³¹ = 253398397856867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253400545340519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7623694 + ... + 23768083.

It is an arithmetic number, because the mean of its divisors is an integer number (10501491494340).

Almost surely, 2^{253400545340515} is an apocalyptic number.

253400545340515 is a deficient number, since it is larger than the sum of its proper divisors (82647182478365).

253400545340515 is a wasteful number, since it uses less digits than its factorization.

253400545340515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31395951.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 253400545340515 in words is "two hundred fifty-three trillion, four hundred billion, five hundred forty-five million, three hundred forty thousand, five hundred fifteen".