253064461615 has 8 divisors (see below), whose sum is σ = 347059833120. Its totient is φ = 173529916512.

The previous prime is 253064461603. The next prime is 253064461619. The reversal of 253064461615 is 516164460352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253064461615 - 2¹¹ = 253064459567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253064461619) 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, 3615206560 + ... + 3615206629.

It is an arithmetic number, because the mean of its divisors is an integer number (43382479140).

Almost surely, 2^253064461615 is an apocalyptic number.

253064461615 is a deficient number, since it is larger than the sum of its proper divisors (93995371505).

253064461615 is an equidigital number, since it uses as much as digits as its factorization.

253064461615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230413201.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 253064461615 in words is "two hundred fifty-three billion, sixty-four million, four hundred sixty-one thousand, six hundred fifteen".