61112891342 has 16 divisors (see below), whose sum is σ = 94537565232. Its totient is φ = 29607223680.

The previous prime is 61112891339. The next prime is 61112891377. The reversal of 61112891342 is 24319821116.

It is a junction number, because it is equal to n+sod(n) for n = 61112891296 and 61112891305.

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, 1695548 + ... + 1731215.

It is an arithmetic number, because the mean of its divisors is an integer number (5908597827).

Almost surely, 2^61112891342 is an apocalyptic number.

61112891342 is a deficient number, since it is larger than the sum of its proper divisors (33424673890).

61112891342 is a wasteful number, since it uses less digits than its factorization.

61112891342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427043.

The product of its digits is 20736, while the sum is 38.

The spelling of 61112891342 in words is "sixty-one billion, one hundred twelve million, eight hundred ninety-one thousand, three hundred forty-two".