111564361102 has 4 divisors (see below), whose sum is σ = 167346541656. Its totient is φ = 55782180550.

The previous prime is 111564361093. The next prime is 111564361147. The reversal of 111564361102 is 201163465111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27891090274 + ... + 27891090277.

It is an arithmetic number, because the mean of its divisors is an integer number (41836635414).

Almost surely, 2^111564361102 is an apocalyptic number.

111564361102 is a deficient number, since it is larger than the sum of its proper divisors (55782180554).

111564361102 is an equidigital number, since it uses as much as digits as its factorization.

111564361102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55782180553.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 111564361102 in words is "one hundred eleven billion, five hundred sixty-four million, three hundred sixty-one thousand, one hundred two".