2126491115992 has 8 divisors (see below), whose sum is σ = 3987170842500. Its totient is φ = 1063245557992.

The previous prime is 2126491115939. The next prime is 2126491116031. The reversal of 2126491115992 is 2995111946212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132905694742 + ... + 132905694757.

Almost surely, 2^{2126491115992} is an apocalyptic number.

It is an amenable number.

2126491115992 is a deficient number, since it is larger than the sum of its proper divisors (1860679726508).

2126491115992 is a wasteful number, since it uses less digits than its factorization.

2126491115992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265811389505 (or 265811389501 counting only the distinct ones).

The product of its digits is 699840, while the sum is 52.

The spelling of 2126491115992 in words is "two trillion, one hundred twenty-six billion, four hundred ninety-one million, one hundred fifteen thousand, nine hundred ninety-two".