11101111109977 has 16 divisors (see below), whose sum is σ = 13462290934272. Its totient is φ = 8936175790080.

The previous prime is 11101111109947. The next prime is 11101111109999. The reversal of 11101111109977 is 77990111110111.

It is not a de Polignac number, because 11101111109977 - 2¹⁵ = 11101111077209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101111109927) 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, 100686424 + ... + 100796617.

It is an arithmetic number, because the mean of its divisors is an integer number (841393183392).

Almost surely, 2^{11101111109977} is an apocalyptic number.

11101111109977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11101111109977 is a deficient number, since it is larger than the sum of its proper divisors (2361179824295).

11101111109977 is a wasteful number, since it uses less digits than its factorization.

11101111109977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201483528.

The product of its (nonzero) digits is 3969, while the sum is 40.

The spelling of 11101111109977 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred nine thousand, nine hundred seventy-seven".