61200923365 has 16 divisors (see below), whose sum is σ = 73904285952. Its totient is φ = 48652140544.

The previous prime is 61200923299. The next prime is 61200923387. The reversal of 61200923365 is 56332900216.

It is a cyclic number.

It is not a de Polignac number, because 61200923365 - 2¹¹ = 61200921317 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 15 ways as a sum of consecutive naturals, for example, 3135717 + ... + 3155173.

It is an arithmetic number, because the mean of its divisors is an integer number (4619017872).

Almost surely, 2^61200923365 is an apocalyptic number.

It is an amenable number.

61200923365 is a deficient number, since it is larger than the sum of its proper divisors (12703362587).

61200923365 is a wasteful number, since it uses less digits than its factorization.

61200923365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23396.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 61200923365 in words is "sixty-one billion, two hundred million, nine hundred twenty-three thousand, three hundred sixty-five".