61075507315 has 16 divisors (see below), whose sum is σ = 77187348000. Its totient is φ = 46265202432.

The previous prime is 61075507291. The next prime is 61075507397. The reversal of 61075507315 is 51370557016.

It is a cyclic number.

It is not a de Polignac number, because 61075507315 - 2⁷ = 61075507187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24511 + ... + 350359.

It is an arithmetic number, because the mean of its divisors is an integer number (4824209250).

Almost surely, 2^61075507315 is an apocalyptic number.

61075507315 is a deficient number, since it is larger than the sum of its proper divisors (16111840685).

61075507315 is a wasteful number, since it uses less digits than its factorization.

61075507315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327846.

The product of its (nonzero) digits is 110250, while the sum is 40.

The spelling of 61075507315 in words is "sixty-one billion, seventy-five million, five hundred seven thousand, three hundred fifteen".