1911000090992 has 20 divisors (see below), whose sum is σ = 3715929337176. Its totient is φ = 952050584640.

The previous prime is 1911000090949. The next prime is 1911000091001. The reversal of 1911000090992 is 2990900001191.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215586734 + ... + 215595597.

Almost surely, 2^{1911000090992} is an apocalyptic number.

It is an amenable number.

1911000090992 is a deficient number, since it is larger than the sum of its proper divisors (1804929246184).

1911000090992 is a wasteful number, since it uses less digits than its factorization.

1911000090992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431182616 (or 431182610 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 1911000090992 in words is "one trillion, nine hundred eleven billion, ninety thousand, nine hundred ninety-two".