61013861382 has 16 divisors (see below), whose sum is σ = 122048907840. Its totient is φ = 20334422952.

The previous prime is 61013861347. The next prime is 61013861411. The reversal of 61013861382 is 28316831016.

It is a self number, because there is not a number n which added to its sum of digits gives 61013861382.

It is a congruent number.

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, 845148 + ... + 914495.

It is an arithmetic number, because the mean of its divisors is an integer number (7628056740).

Almost surely, 2^61013861382 is an apocalyptic number.

61013861382 is an abundant number, since it is smaller than the sum of its proper divisors (61035046458).

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

61013861382 is a wasteful number, since it uses less digits than its factorization.

61013861382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765427.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 61013861382 in words is "sixty-one billion, thirteen million, eight hundred sixty-one thousand, three hundred eighty-two".