61039845108 has 96 divisors (see below), whose sum is σ = 182793179520. Its totient is φ = 17408862720.

The previous prime is 61039845089. The next prime is 61039845149. The reversal of 61039845108 is 80154893016.

61039845108 is a `hidden beast` number, since 6 + 103 + 98 + 451 + 0 + 8 = 666.

61039845108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1490991 + ... + 1531382.

It is an arithmetic number, because the mean of its divisors is an integer number (1904095620).

Almost surely, 2^61039845108 is an apocalyptic number.

61039845108 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61039845108 is an abundant number, since it is smaller than the sum of its proper divisors (121753334412).

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

61039845108 is a wasteful number, since it uses less digits than its factorization.

61039845108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022414 (or 3022406 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 61039845108 in words is "sixty-one billion, thirty-nine million, eight hundred forty-five thousand, one hundred eight".