61371181883 has 4 divisors (see below), whose sum is σ = 66950380248. Its totient is φ = 55791983520.

The previous prime is 61371181877. The next prime is 61371181897. The reversal of 61371181883 is 38818117316.

61371181883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61371181883 - 2²² = 61366987579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61371181873) 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, 2789599166 + ... + 2789599187.

It is an arithmetic number, because the mean of its divisors is an integer number (16737595062).

Almost surely, 2^61371181883 is an apocalyptic number.

61371181883 is a deficient number, since it is larger than the sum of its proper divisors (5579198365).

61371181883 is a wasteful number, since it uses less digits than its factorization.

61371181883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579198364.

The product of its digits is 193536, while the sum is 47.

The spelling of 61371181883 in words is "sixty-one billion, three hundred seventy-one million, one hundred eighty-one thousand, eight hundred eighty-three".