61114566562021 has 16 divisors (see below), whose sum is σ = 71025665459328. Its totient is φ = 51499436788800.

The previous prime is 61114566562013. The next prime is 61114566562031. The reversal of 61114566562021 is 12026566541116.

61114566562021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61114566562021 - 2³ = 61114566562013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61114566562031) by changing a digit.

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, 34872490 + ... + 36583051.

It is an arithmetic number, because the mean of its divisors is an integer number (4439104091208).

Almost surely, 2^{61114566562021} is an apocalyptic number.

61114566562021 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61114566562021 is a deficient number, since it is larger than the sum of its proper divisors (9911098897307).

61114566562021 is a wasteful number, since it uses less digits than its factorization.

61114566562021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71457612.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 61114566562021 in words is "sixty-one trillion, one hundred fourteen billion, five hundred sixty-six million, five hundred sixty-two thousand, twenty-one".