111956953612090 has 16 divisors (see below), whose sum is σ = 201526707808800. Its totient is φ = 44781850043280.

The previous prime is 111956953611907. The next prime is 111956953612187. The reversal of 111956953612090 is 90216359659111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115920240 + ... + 116882059.

It is an arithmetic number, because the mean of its divisors is an integer number (12595419238050).

Almost surely, 2^{111956953612090} is an apocalyptic number.

111956953612090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111956953612090 is a deficient number, since it is larger than the sum of its proper divisors (89569754196710).

111956953612090 is a wasteful number, since it uses less digits than its factorization.

111956953612090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232850397.

The product of its (nonzero) digits is 3936600, while the sum is 58.

The spelling of 111956953612090 in words is "one hundred eleven trillion, nine hundred fifty-six billion, nine hundred fifty-three million, six hundred twelve thousand, ninety".