2111016977405 has 8 divisors (see below), whose sum is σ = 2895108997632. Its totient is φ = 1447554498768.

The previous prime is 2111016977383. The next prime is 2111016977417. The reversal of 2111016977405 is 5047796101112.

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

It is not a de Polignac number, because 2111016977405 - 2⁶ = 2111016977341 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 30157385357 + ... + 30157385426.

It is an arithmetic number, because the mean of its divisors is an integer number (361888624704).

Almost surely, 2^{2111016977405} is an apocalyptic number.

It is an amenable number.

2111016977405 is a deficient number, since it is larger than the sum of its proper divisors (784092020227).

2111016977405 is an equidigital number, since it uses as much as digits as its factorization.

2111016977405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60314770795.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 2111016977405 in words is "two trillion, one hundred eleven billion, sixteen million, nine hundred seventy-seven thousand, four hundred five".