11111101009977 has 8 divisors (see below), whose sum is σ = 14815045989216. Its totient is φ = 7407278352032.

The previous prime is 11111101009927. The next prime is 11111101009979. The reversal of 11111101009977 is 77990010111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111101009977 - 2¹² = 11111101005881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111101009979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30368163 + ... + 30731864.

It is an arithmetic number, because the mean of its divisors is an integer number (1851880748652).

Almost surely, 2^{11111101009977} is an apocalyptic number.

It is an amenable number.

11111101009977 is a deficient number, since it is larger than the sum of its proper divisors (3703944979239).

11111101009977 is an equidigital number, since it uses as much as digits as its factorization.

11111101009977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61160647.

The product of its (nonzero) digits is 3969, while the sum is 39.

The spelling of 11111101009977 in words is "eleven trillion, one hundred eleven billion, one hundred one million, nine thousand, nine hundred seventy-seven".