111045198492 has 36 divisors (see below), whose sum is σ = 280939047480. Its totient is φ = 36983224992.

The previous prime is 111045198491. The next prime is 111045198521. The reversal of 111045198492 is 294891540111.

It is a happy number.

111045198492 is a `hidden beast` number, since 1 + 1 + 104 + 51 + 9 + 8 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×111045198492² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111045198491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284267 + ... + 1368002.

It is an arithmetic number, because the mean of its divisors is an integer number (7803862430).

Almost surely, 2^111045198492 is an apocalyptic number.

111045198492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111045198492 is an abundant number, since it is smaller than the sum of its proper divisors (169893848988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111045198492 is a wasteful number, since it uses less digits than its factorization.

111045198492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653442 (or 2653437 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 111045198492 in words is "one hundred eleven billion, forty-five million, one hundred ninety-eight thousand, four hundred ninety-two".