61316555561315 has 8 divisors (see below), whose sum is σ = 73579925415168. Its totient is φ = 49053205288000.

The previous prime is 61316555561269. The next prime is 61316555561323. The reversal of 61316555561315 is 51316555561316.

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

It is not a de Polignac number, because 61316555561315 - 2⁸ = 61316555561059 is a prime.

It is a Duffinian number.

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, 3215999 + ... + 11531511.

It is an arithmetic number, because the mean of its divisors is an integer number (9197490676896).

Almost surely, 2^{61316555561315} is an apocalyptic number.

61316555561315 is a deficient number, since it is larger than the sum of its proper divisors (12263369853853).

61316555561315 is a wasteful number, since it uses less digits than its factorization.

61316555561315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790269.

The product of its digits is 6075000, while the sum is 53.

Subtracting from 61316555561315 its reverse (51316555561316), we obtain a palindrome (9999999999999).

The spelling of 61316555561315 in words is "sixty-one trillion, three hundred sixteen billion, five hundred fifty-five million, five hundred sixty-one thousand, three hundred fifteen".