61105550556132 has 24 divisors (see below), whose sum is σ = 158421797738400. Its totient is φ = 20368516852008.

The previous prime is 61105550556121. The next prime is 61105550556163. The reversal of 61105550556132 is 23165505550116.

61105550556132 is a `hidden beast` number, since 6 + 1 + 1 + 0 + 5 + 5 + 50 + 5 + 561 + 32 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282896067282 + ... + 282896067497.

It is an arithmetic number, because the mean of its divisors is an integer number (6600908239100).

Almost surely, 2^{61105550556132} is an apocalyptic number.

It is an amenable number.

61105550556132 is an abundant number, since it is smaller than the sum of its proper divisors (97316247182268).

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

61105550556132 is a wasteful number, since it uses less digits than its factorization.

61105550556132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565792134792 (or 565792134784 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 61105550556132 in words is "sixty-one trillion, one hundred five billion, five hundred fifty million, five hundred fifty-six thousand, one hundred thirty-two".