615105116555 has 16 divisors (see below), whose sum is σ = 787511333664. Its totient is φ = 459602557440.

The previous prime is 615105116477. The next prime is 615105116621. The reversal of 615105116555 is 555611501516.

It is not a de Polignac number, because 615105116555 - 2¹² = 615105112459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27609212 + ... + 27631481.

It is an arithmetic number, because the mean of its divisors is an integer number (49219458354).

Almost surely, 2^615105116555 is an apocalyptic number.

615105116555 is a deficient number, since it is larger than the sum of its proper divisors (172406217109).

615105116555 is a wasteful number, since it uses less digits than its factorization.

615105116555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55240846.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 615105116555 in words is "six hundred fifteen billion, one hundred five million, one hundred sixteen thousand, five hundred fifty-five".