1911323766055 has 16 divisors (see below), whose sum is σ = 2508914294784. Its totient is φ = 1386266021280.

The previous prime is 1911323766031. The next prime is 1911323766083. The reversal of 1911323766055 is 5506673231191.

It is a de Polignac number, because none of the positive numbers 2^k-1911323766055 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 15 ways as a sum of consecutive naturals, for example, 47324967 + ... + 47365336.

It is an arithmetic number, because the mean of its divisors is an integer number (156807143424).

Almost surely, 2^{1911323766055} is an apocalyptic number.

1911323766055 is a deficient number, since it is larger than the sum of its proper divisors (597590528729).

1911323766055 is a wasteful number, since it uses less digits than its factorization.

1911323766055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94690686.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 1911323766055 in words is "one trillion, nine hundred eleven billion, three hundred twenty-three million, seven hundred sixty-six thousand, fifty-five".