111216783628990 has 16 divisors (see below), whose sum is σ = 215589457496448. Its totient is φ = 41064658570656.

The previous prime is 111216783628931. The next prime is 111216783628999. The reversal of 111216783628990 is 99826387612111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111216783628999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427756859982 + ... + 427756860241.

It is an arithmetic number, because the mean of its divisors is an integer number (13474341093528).

Almost surely, 2^{111216783628990} is an apocalyptic number.

111216783628990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111216783628990 is a deficient number, since it is larger than the sum of its proper divisors (104372673867458).

111216783628990 is a wasteful number, since it uses less digits than its factorization.

111216783628990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855513720243.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 111216783628990 in words is "one hundred eleven trillion, two hundred sixteen billion, seven hundred eighty-three million, six hundred twenty-eight thousand, nine hundred ninety".