61113105 has 24 divisors (see below), whose sum is σ = 108396288. Its totient is φ = 31834656.

The previous prime is 61113103. The next prime is 61113131. The reversal of 61113105 is 50131116.

It is not a de Polignac number, because 61113105 - 2¹ = 61113103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61113103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13857 + ... + 17726.

It is an arithmetic number, because the mean of its divisors is an integer number (4516512).

Almost surely, 2^61113105 is an apocalyptic number.

It is an amenable number.

61113105 is a deficient number, since it is larger than the sum of its proper divisors (47283183).

61113105 is a wasteful number, since it uses less digits than its factorization.

61113105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31637 (or 31634 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 61113105 is about 7817.4871282273. The cubic root of 61113105 is about 393.8928672793.

It can be divided in two parts, 6111 and 3105, that added together give a square (9216 = 96²).

The spelling of 61113105 in words is "sixty-one million, one hundred thirteen thousand, one hundred five".