61357075315 has 8 divisors (see below), whose sum is σ = 73630408320. Its totient is φ = 49084381632.

The previous prime is 61357075309. The next prime is 61357075343. The reversal of 61357075315 is 51357075316.

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 61357075315 - 2⁷ = 61357075187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85566 + ... + 360604.

It is an arithmetic number, because the mean of its divisors is an integer number (9203801040).

Almost surely, 2^61357075315 is an apocalyptic number.

61357075315 is a deficient number, since it is larger than the sum of its proper divisors (12273333005).

61357075315 is a wasteful number, since it uses less digits than its factorization.

61357075315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319661.

The product of its (nonzero) digits is 330750, while the sum is 43.

Subtracting from 61357075315 its reverse (51357075316), we obtain a palindrome (9999999999).

The spelling of 61357075315 in words is "sixty-one billion, three hundred fifty-seven million, seventy-five thousand, three hundred fifteen".