61115283360 has 72 divisors (see below), whose sum is σ = 208555909380. Its totient is φ = 16297408512.

The previous prime is 61115283331. The next prime is 61115283367. The reversal of 61115283360 is 6338251116.

61115283360 is a `hidden beast` number, since 6 + 1 + 1 + 15 + 283 + 360 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57951895824 + 3163387536 = 240732^2 + 56244^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61115283367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21219145 + ... + 21222024.

Almost surely, 2^61115283360 is an apocalyptic number.

61115283360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61115283360 is an abundant number, since it is smaller than the sum of its proper divisors (147440626020).

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

61115283360 is a wasteful number, since it uses less digits than its factorization.

61115283360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42441190 (or 42441179 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 61115283360 in words is "sixty-one billion, one hundred fifteen million, two hundred eighty-three thousand, three hundred sixty".