61611130775274 has 64 divisors (see below), whose sum is σ = 126533388159360. Its totient is φ = 19987672320000.

The previous prime is 61611130775231. The next prime is 61611130775279. The reversal of 61611130775274 is 47257703111616.

It is not an unprimeable number, because it can be changed into a prime (61611130775279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173820969 + ... + 174175059.

It is an arithmetic number, because the mean of its divisors is an integer number (1977084189990).

Almost surely, 2^{61611130775274} is an apocalyptic number.

61611130775274 is an abundant number, since it is smaller than the sum of its proper divisors (64922257384086).

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

61611130775274 is a wasteful number, since it uses less digits than its factorization.

61611130775274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355847.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 61611130775274 in words is "sixty-one trillion, six hundred eleven billion, one hundred thirty million, seven hundred seventy-five thousand, two hundred seventy-four".