111152055197 has 2 divisors, whose sum is σ = 111152055198. Its totient is φ = 111152055196.

The previous prime is 111152055169. The next prime is 111152055241. The reversal of 111152055197 is 791550251111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87944274916 + 23207780281 = 296554^2 + 152341^2 .

It is a cyclic number.

It is not a de Polignac number, because 111152055197 - 2¹⁰ = 111152054173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111152055197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111152055167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55576027598 + 55576027599.

It is an arithmetic number, because the mean of its divisors is an integer number (55576027599).

Almost surely, 2^111152055197 is an apocalyptic number.

It is an amenable number.

111152055197 is a deficient number, since it is larger than the sum of its proper divisors (1).

111152055197 is an equidigital number, since it uses as much as digits as its factorization.

111152055197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 38.

The spelling of 111152055197 in words is "one hundred eleven billion, one hundred fifty-two million, fifty-five thousand, one hundred ninety-seven".