61113474040 has 16 divisors (see below), whose sum is σ = 137505316680. Its totient is φ = 24445389600.

The previous prime is 61113473999. The next prime is 61113474047. The reversal of 61113474040 is 4047431116.

It is a junction number, because it is equal to n+sod(n) for n = 61113473993 and 61113474011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61113474047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763918386 + ... + 763918465.

Almost surely, 2^61113474040 is an apocalyptic number.

It is an amenable number.

61113474040 is an abundant number, since it is smaller than the sum of its proper divisors (76391842640).

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

61113474040 is a wasteful number, since it uses less digits than its factorization.

61113474040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527836862 (or 1527836858 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 61113474040 in words is "sixty-one billion, one hundred thirteen million, four hundred seventy-four thousand, forty".