111377309243 has 2 divisors, whose sum is σ = 111377309244. Its totient is φ = 111377309242.

The previous prime is 111377309189. The next prime is 111377309257. The reversal of 111377309243 is 342903773111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111377309243 - 2²⁸ = 111108873787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111377309243.

It is not a weakly prime, because it can be changed into another prime (111377303243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55688654621 + 55688654622.

It is an arithmetic number, because the mean of its divisors is an integer number (55688654622).

Almost surely, 2^111377309243 is an apocalyptic number.

111377309243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111377309243 is an equidigital number, since it uses as much as digits as its factorization.

111377309243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 111377309243 in words is "one hundred eleven billion, three hundred seventy-seven million, three hundred nine thousand, two hundred forty-three".