61112380 has 48 divisors (see below), whose sum is σ = 153054720. Its totient is φ = 20040768.

The previous prime is 61112353. The next prime is 61112383. The reversal of 61112380 is 8321116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61112383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6270 + ... + 12709.

It is an arithmetic number, because the mean of its divisors is an integer number (3188640).

Almost surely, 2^61112380 is an apocalyptic number.

It is an amenable number.

61112380 is an abundant number, since it is smaller than the sum of its proper divisors (91942340).

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

61112380 is a wasteful number, since it uses less digits than its factorization.

61112380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19018 (or 19016 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 61112380 is about 7817.4407576905. The cubic root of 61112380 is about 393.8913096567.

Adding to 61112380 its reverse (8321116), we get a palindrome (69433496).

The spelling of 61112380 in words is "sixty-one million, one hundred twelve thousand, three hundred eighty".