61105536 has 64 divisors (see below), whose sum is σ = 180356400. Its totient is φ = 20367360.

The previous prime is 61105529. The next prime is 61105543. The reversal of 61105536 is 63550116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61105529) and next prime (61105543).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 5385 + ... + 12296.

Almost surely, 2^61105536 is an apocalyptic number.

It is an amenable number.

61105536 is an abundant number, since it is smaller than the sum of its proper divisors (119250864).

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

61105536 is a wasteful number, since it uses less digits than its factorization.

61105536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17704 (or 17686 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 61105536 is about 7817.0030062678. The cubic root of 61105536 is about 393.8766050924.

The spelling of 61105536 in words is "sixty-one million, one hundred five thousand, five hundred thirty-six".