615122116615 has 8 divisors (see below), whose sum is σ = 738644959728. Its totient is φ = 491765413440.

The previous prime is 615122116577. The next prime is 615122116649. The reversal of 615122116615 is 516611221516.

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

It is not a de Polignac number, because 615122116615 - 2³⁵ = 580762378247 is a prime.

It is a Duffinian number.

It is a congruent 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, 41526837 + ... + 41541646.

It is an arithmetic number, because the mean of its divisors is an integer number (92330619966).

Almost surely, 2^615122116615 is an apocalyptic number.

615122116615 is a deficient number, since it is larger than the sum of its proper divisors (123522843113).

615122116615 is a wasteful number, since it uses less digits than its factorization.

615122116615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83069969.

The product of its digits is 21600, while the sum is 37.

The spelling of 615122116615 in words is "six hundred fifteen billion, one hundred twenty-two million, one hundred sixteen thousand, six hundred fifteen".