3111920036445 has 64 divisors (see below), whose sum is σ = 5493299834880. Its totient is φ = 1491762182400.

The previous prime is 3111920036419. The next prime is 3111920036479. The reversal of 3111920036445 is 5446300291113.

It is not a de Polignac number, because 3111920036445 - 2⁷ = 3111920036317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8213740 + ... + 8584250.

It is an arithmetic number, because the mean of its divisors is an integer number (85832809920).

Almost surely, 2^{3111920036445} is an apocalyptic number.

It is an amenable number.

3111920036445 is a deficient number, since it is larger than the sum of its proper divisors (2381379798435).

3111920036445 is a wasteful number, since it uses less digits than its factorization.

3111920036445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371106.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 3111920036445 in words is "three trillion, one hundred eleven billion, nine hundred twenty million, thirty-six thousand, four hundred forty-five".