111342861290 has 16 divisors (see below), whose sum is σ = 207328087080. Its totient is φ = 43001380800.

The previous prime is 111342861283. The next prime is 111342861313. The reversal of 111342861290 is 92168243111.

It can be written as a sum of positive squares in 4 ways, for example, as 71369656801 + 39973204489 = 267151^2 + 199933^2 .

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, 191970161 + ... + 191970740.

Almost surely, 2^111342861290 is an apocalyptic number.

111342861290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111342861290 is a deficient number, since it is larger than the sum of its proper divisors (95985225790).

111342861290 is a wasteful number, since it uses less digits than its factorization.

111342861290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383940937.

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

The spelling of 111342861290 in words is "one hundred eleven billion, three hundred forty-two million, eight hundred sixty-one thousand, two hundred ninety".