61754874126 has 32 divisors (see below), whose sum is σ = 134762928768. Its totient is φ = 18710123040.

The previous prime is 61754874053. The next prime is 61754874133. The reversal of 61754874126 is 62147845716.

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, 283060 + ... + 451256.

It is an arithmetic number, because the mean of its divisors is an integer number (4211341524).

Almost surely, 2^61754874126 is an apocalyptic number.

61754874126 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61754874126 is an abundant number, since it is smaller than the sum of its proper divisors (73008054642).

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

61754874126 is a wasteful number, since it uses less digits than its factorization.

61754874126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173776.

The product of its digits is 2257920, while the sum is 51.

The spelling of 61754874126 in words is "sixty-one billion, seven hundred fifty-four million, eight hundred seventy-four thousand, one hundred twenty-six".