61105404 has 24 divisors (see below), whose sum is σ = 143993808. Its totient is φ = 20166400.

The previous prime is 61105403. The next prime is 61105423. The reversal of 61105404 is 40450116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61105403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23997 + ... + 26420.

It is an arithmetic number, because the mean of its divisors is an integer number (5999742).

Almost surely, 2^61105404 is an apocalyptic number.

It is an amenable number.

61105404 is an abundant number, since it is smaller than the sum of its proper divisors (82888404).

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

61105404 is a wasteful number, since it uses less digits than its factorization.

61105404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50525 (or 50523 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 61105404 is about 7816.9945631297. The cubic root of 61105404 is about 393.8763214752.

The spelling of 61105404 in words is "sixty-one million, one hundred five thousand, four hundred four".