61113853388 has 48 divisors (see below), whose sum is σ = 123487150080. Its totient is φ = 25922768256.

The previous prime is 61113853363. The next prime is 61113853417. The reversal of 61113853388 is 88335831116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469456 + ... + 1510472.

It is an arithmetic number, because the mean of its divisors is an integer number (2572648960).

Almost surely, 2^61113853388 is an apocalyptic number.

It is an amenable number.

61113853388 is an abundant number, since it is smaller than the sum of its proper divisors (62373296692).

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

61113853388 is a wasteful number, since it uses less digits than its factorization.

61113853388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41574 (or 41572 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The spelling of 61113853388 in words is "sixty-one billion, one hundred thirteen million, eight hundred fifty-three thousand, three hundred eighty-eight".