111552882761 has 2 divisors, whose sum is σ = 111552882762. Its totient is φ = 111552882760.

The previous prime is 111552882731. The next prime is 111552882781. The reversal of 111552882761 is 167288255111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92306592400 + 19246290361 = 303820^2 + 138731^2 .

It is a cyclic number.

It is not a de Polignac number, because 111552882761 - 2¹⁸ = 111552620617 is a prime.

It is not a weakly prime, because it can be changed into another prime (111552882731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55776441380 + 55776441381.

It is an arithmetic number, because the mean of its divisors is an integer number (55776441381).

Almost surely, 2^111552882761 is an apocalyptic number.

It is an amenable number.

111552882761 is a deficient number, since it is larger than the sum of its proper divisors (1).

111552882761 is an equidigital number, since it uses as much as digits as its factorization.

111552882761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 47.

The spelling of 111552882761 in words is "one hundred eleven billion, five hundred fifty-two million, eight hundred eighty-two thousand, seven hundred sixty-one".