111242654955190 has 128 divisors (see below), whose sum is σ = 232547266068480. Its totient is φ = 37935498787200.

The previous prime is 111242654955181. The next prime is 111242654955193. The reversal of 111242654955190 is 91559456242111.

It is a super-2 number, since 2×111242654955190² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111242654955193) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15635151 + ... + 21608869.

It is an arithmetic number, because the mean of its divisors is an integer number (1816775516160).

Almost surely, 2^{111242654955190} is an apocalyptic number.

111242654955190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111242654955190 is an abundant number, since it is smaller than the sum of its proper divisors (121304611113290).

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

111242654955190 is a wasteful number, since it uses less digits than its factorization.

111242654955190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973938.

The product of its (nonzero) digits is 3888000, while the sum is 55.

The spelling of 111242654955190 in words is "one hundred eleven trillion, two hundred forty-two billion, six hundred fifty-four million, nine hundred fifty-five thousand, one hundred ninety".