61306926865955 has 32 divisors (see below), whose sum is σ = 76334558423040. Its totient is φ = 47211725554560.

The previous prime is 61306926865907. The next prime is 61306926865979. The reversal of 61306926865955 is 55956862960316.

It is not a de Polignac number, because 61306926865955 - 2¹⁶ = 61306926800419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90091292 + ... + 90769238.

It is an arithmetic number, because the mean of its divisors is an integer number (2385454950720).

Almost surely, 2^{61306926865955} is an apocalyptic number.

61306926865955 is a deficient number, since it is larger than the sum of its proper divisors (15027631557085).

61306926865955 is a wasteful number, since it uses less digits than its factorization.

61306926865955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679859.

The product of its (nonzero) digits is 629856000, while the sum is 71.

The spelling of 61306926865955 in words is "sixty-one trillion, three hundred six billion, nine hundred twenty-six million, eight hundred sixty-five thousand, nine hundred fifty-five".