61234751315 has 8 divisors (see below), whose sum is σ = 77804154720. Its totient is φ = 46106165632.

The previous prime is 61234751309. The next prime is 61234751327. The reversal of 61234751315 is 51315743216.

It is a happy number.

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 61234751315 - 2⁴ = 61234751299 is a prime.

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, 360204335 + ... + 360204504.

It is an arithmetic number, because the mean of its divisors is an integer number (9725519340).

Almost surely, 2^61234751315 is an apocalyptic number.

61234751315 is a deficient number, since it is larger than the sum of its proper divisors (16569403405).

61234751315 is a wasteful number, since it uses less digits than its factorization.

61234751315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720408861.

The product of its digits is 75600, while the sum is 38.

The spelling of 61234751315 in words is "sixty-one billion, two hundred thirty-four million, seven hundred fifty-one thousand, three hundred fifteen".