253055512815 has 16 divisors (see below), whose sum is σ = 462730080768. Its totient is φ = 115682520096.

The previous prime is 253055512813. The next prime is 253055512837. The reversal of 253055512815 is 518215550352.

It is a happy number.

It is not a de Polignac number, because 253055512815 - 2¹ = 253055512813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253055512813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205026147 + ... + 1205026356.

It is an arithmetic number, because the mean of its divisors is an integer number (28920630048).

Almost surely, 2^253055512815 is an apocalyptic number.

253055512815 is a deficient number, since it is larger than the sum of its proper divisors (209674567953).

253055512815 is a wasteful number, since it uses less digits than its factorization.

253055512815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410052518.

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 253055512815 in words is "two hundred fifty-three billion, fifty-five million, five hundred twelve thousand, eight hundred fifteen".