61100104 has 32 divisors (see below), whose sum is σ = 123835320. Its totient is φ = 28094976.

The previous prime is 61100093. The next prime is 61100147. The reversal of 61100104 is 40100116.

It can be written as a sum of positive squares in 4 ways, for example, as 24980004 + 36120100 = 4998^2 + 6010^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 31614 + ... + 33490.

Almost surely, 2^61100104 is an apocalyptic number.

It is an amenable number.

61100104 is an abundant number, since it is smaller than the sum of its proper divisors (62735216).

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

61100104 is a wasteful number, since it uses less digits than its factorization.

61100104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 61100104 is about 7816.6555508094. The cubic root of 61100104 is about 393.8649334761.

The spelling of 61100104 in words is "sixty-one million, one hundred thousand, one hundred four".