111087600551 has 2 divisors, whose sum is σ = 111087600552. Its totient is φ = 111087600550.

The previous prime is 111087600521. The next prime is 111087600557. The reversal of 111087600551 is 155006780111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (155006780111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111087600551 - 2¹⁸ = 111087338407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111087600557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55543800275 + 55543800276.

It is an arithmetic number, because the mean of its divisors is an integer number (55543800276).

Almost surely, 2^111087600551 is an apocalyptic number.

111087600551 is a deficient number, since it is larger than the sum of its proper divisors (1).

111087600551 is an equidigital number, since it uses as much as digits as its factorization.

111087600551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 35.

The spelling of 111087600551 in words is "one hundred eleven billion, eighty-seven million, six hundred thousand, five hundred fifty-one".