61112052 has 36 divisors (see below), whose sum is σ = 155528100. Its totient is φ = 20232192.

The previous prime is 61112047. The next prime is 61112071. The reversal of 61112052 is 25021116.

61112052 is a `hidden beast` number, since 611 + 1 + 2 + 0 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25040016 + 36072036 = 5004^2 + 6006^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333 + ... + 11060.

It is an arithmetic number, because the mean of its divisors is an integer number (4320225).

Almost surely, 2^61112052 is an apocalyptic number.

It is an amenable number.

61112052 is an abundant number, since it is smaller than the sum of its proper divisors (94416048).

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

61112052 is a wasteful number, since it uses less digits than its factorization.

61112052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552 (or 11547 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 61112052 is about 7817.4197789296. The cubic root of 61112052 is about 393.8906049627.

Adding to 61112052 its reverse (25021116), we get a palindrome (86133168).

The spelling of 61112052 in words is "sixty-one million, one hundred twelve thousand, fifty-two".