61554465602113 has 24 divisors (see below), whose sum is σ = 68303555480160. Its totient is φ = 55425734443200.

The previous prime is 61554465602111. The next prime is 61554465602167. The reversal of 61554465602113 is 31120656445516.

It is not a de Polignac number, because 61554465602113 - 2¹ = 61554465602111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61554465602111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72612618 + ... + 73455436.

It is an arithmetic number, because the mean of its divisors is an integer number (2845981478340).

Almost surely, 2^{61554465602113} is an apocalyptic number.

It is an amenable number.

61554465602113 is a deficient number, since it is larger than the sum of its proper divisors (6749089878047).

61554465602113 is a wasteful number, since it uses less digits than its factorization.

61554465602113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848589 (or 848578 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 61554465602113 in words is "sixty-one trillion, five hundred fifty-four billion, four hundred sixty-five million, six hundred two thousand, one hundred thirteen".