1916120115287 has 16 divisors (see below), whose sum is σ = 2196343049472. Its totient is φ = 1637527026240.

The previous prime is 1916120115251. The next prime is 1916120115293. The reversal of 1916120115287 is 7825110216191.

It is not a de Polignac number, because 1916120115287 - 2²⁸ = 1915851679831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916120114287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015683 + ... + 3595355.

It is an arithmetic number, because the mean of its divisors is an integer number (137271440592).

Almost surely, 2^{1916120115287} is an apocalyptic number.

1916120115287 is a deficient number, since it is larger than the sum of its proper divisors (280222934185).

1916120115287 is an equidigital number, since it uses as much as digits as its factorization.

1916120115287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581078.

The product of its (nonzero) digits is 60480, while the sum is 44.

The spelling of 1916120115287 in words is "one trillion, nine hundred sixteen billion, one hundred twenty million, one hundred fifteen thousand, two hundred eighty-seven".