111642202045 has 16 divisors (see below), whose sum is σ = 151189441920. Its totient is φ = 78394523200.

The previous prime is 111642202043. The next prime is 111642202073. The reversal of 111642202045 is 540202246111.

It is not a de Polignac number, because 111642202045 - 2¹ = 111642202043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111642202043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34995961 + ... + 34999150.

It is an arithmetic number, because the mean of its divisors is an integer number (9449340120).

Almost surely, 2^111642202045 is an apocalyptic number.

It is an amenable number.

111642202045 is a deficient number, since it is larger than the sum of its proper divisors (39547239875).

111642202045 is a wasteful number, since it uses less digits than its factorization.

111642202045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69995156.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 111642202045 its reverse (540202246111), we get a palindrome (651844448156).

The spelling of 111642202045 in words is "one hundred eleven billion, six hundred forty-two million, two hundred two thousand, forty-five".