1011902981275 has 12 divisors (see below), whose sum is σ = 1271948188072. Its totient is φ = 798433035840.

The previous prime is 1011902981261. The next prime is 1011902981281. The reversal of 1011902981275 is 5721892091101.

It is not a de Polignac number, because 1011902981275 - 2¹⁹ = 1011902456987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277231869 + ... + 277235518.

Almost surely, 2^{1011902981275} is an apocalyptic number.

1011902981275 is a deficient number, since it is larger than the sum of its proper divisors (260045206797).

1011902981275 is an equidigital number, since it uses as much as digits as its factorization.

1011902981275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554467470 (or 554467465 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 46.

The spelling of 1011902981275 in words is "one trillion, eleven billion, nine hundred two million, nine hundred eighty-one thousand, two hundred seventy-five".