61013861384 has 32 divisors (see below), whose sum is σ = 131546118720. Its totient is φ = 25988371776.

The previous prime is 61013861347. The next prime is 61013861411. The reversal of 61013861384 is 48316831016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332999 + ... + 3351254.

It is an arithmetic number, because the mean of its divisors is an integer number (4110816210).

Almost surely, 2^61013861384 is an apocalyptic number.

It is an amenable number.

61013861384 is an abundant number, since it is smaller than the sum of its proper divisors (70532257336).

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

61013861384 is a wasteful number, since it uses less digits than its factorization.

61013861384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684429 (or 6684425 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 61013861384 in words is "sixty-one billion, thirteen million, eight hundred sixty-one thousand, three hundred eighty-four".