2111811342892 has 6 divisors (see below), whose sum is σ = 3695669850068. Its totient is φ = 1055905671444.

The previous prime is 2111811342871. The next prime is 2111811342919. The reversal of 2111811342892 is 2982431181112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263976417858 + ... + 263976417865.

Almost surely, 2^{2111811342892} is an apocalyptic number.

It is an amenable number.

2111811342892 is a deficient number, since it is larger than the sum of its proper divisors (1583858507176).

2111811342892 is a wasteful number, since it uses less digits than its factorization.

2111811342892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527952835727 (or 527952835725 counting only the distinct ones).

The product of its digits is 55296, while the sum is 43.

The spelling of 2111811342892 in words is "two trillion, one hundred eleven billion, eight hundred eleven million, three hundred forty-two thousand, eight hundred ninety-two".