111513198693777 has 4 divisors (see below), whose sum is σ = 148684264925040. Its totient is φ = 74342132462516.

The previous prime is 111513198693763. The next prime is 111513198693781. The reversal of 111513198693777 is 777396891315111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111513198693777 - 2⁶ = 111513198693713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111513198623777) 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, 18585533115627 + ... + 18585533115632.

It is an arithmetic number, because the mean of its divisors is an integer number (37171066231260).

Almost surely, 2^{111513198693777} is an apocalyptic number.

It is an amenable number.

111513198693777 is a deficient number, since it is larger than the sum of its proper divisors (37171066231263).

111513198693777 is an equidigital number, since it uses as much as digits as its factorization.

111513198693777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37171066231262.

The product of its digits is 60011280, while the sum is 69.

The spelling of 111513198693777 in words is "one hundred eleven trillion, five hundred thirteen billion, one hundred ninety-eight million, six hundred ninety-three thousand, seven hundred seventy-seven".