61567571342 has 4 divisors (see below), whose sum is σ = 92351357016. Its totient is φ = 30783785670.

The previous prime is 61567571323. The next prime is 61567571353. The reversal of 61567571342 is 24317576516.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15391892834 + ... + 15391892837.

It is an arithmetic number, because the mean of its divisors is an integer number (23087839254).

Almost surely, 2^61567571342 is an apocalyptic number.

61567571342 is a deficient number, since it is larger than the sum of its proper divisors (30783785674).

61567571342 is a wasteful number, since it uses less digits than its factorization.

61567571342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30783785673.

The product of its digits is 1058400, while the sum is 47.

The spelling of 61567571342 in words is "sixty-one billion, five hundred sixty-seven million, five hundred seventy-one thousand, three hundred forty-two".