111538632701 has 2 divisors, whose sum is σ = 111538632702. Its totient is φ = 111538632700.

The previous prime is 111538632577. The next prime is 111538632719. The reversal of 111538632701 is 107236835111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111538632676 + 25 = 333974^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111538632701 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111538632301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55769316350 + 55769316351.

It is an arithmetic number, because the mean of its divisors is an integer number (55769316351).

Almost surely, 2^111538632701 is an apocalyptic number.

It is an amenable number.

111538632701 is a deficient number, since it is larger than the sum of its proper divisors (1).

111538632701 is an equidigital number, since it uses as much as digits as its factorization.

111538632701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 111538632701 in words is "one hundred eleven billion, five hundred thirty-eight million, six hundred thirty-two thousand, seven hundred one".