61102589011290 has 64 divisors (see below), whose sum is σ = 162947294611200. Its totient is φ = 16293318011712.

The previous prime is 61102589011231. The next prime is 61102589011301. The reversal of 61102589011290 is 9211098520116.

61102589011290 is a `hidden beast` number, since 6 + 1 + 10 + 258 + 90 + 11 + 290 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1359316 + ... + 11137904.

It is an arithmetic number, because the mean of its divisors is an integer number (2546051478300).

Almost surely, 2^{61102589011290} is an apocalyptic number.

61102589011290 is an abundant number, since it is smaller than the sum of its proper divisors (101844705599910).

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

61102589011290 is a wasteful number, since it uses less digits than its factorization.

61102589011290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801748 (or 9801742 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 61102589011290 in words is "sixty-one trillion, one hundred two billion, five hundred eighty-nine million, eleven thousand, two hundred ninety".