61534564003122 has 32 divisors (see below), whose sum is σ = 140824289232000. Its totient is φ = 17559571847808.

The previous prime is 61534564003097. The next prime is 61534564003141. The reversal of 61534564003122 is 22130046543516.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 905471997 + ... + 905539952.

It is an arithmetic number, because the mean of its divisors is an integer number (4400759038500).

Almost surely, 2^{61534564003122} is an apocalyptic number.

61534564003122 is an abundant number, since it is smaller than the sum of its proper divisors (79289725228878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61534564003122 is a wasteful number, since it uses less digits than its factorization.

61534564003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811012770.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 61534564003122 in words is "sixty-one trillion, five hundred thirty-four billion, five hundred sixty-four million, three thousand, one hundred twenty-two".