1139294012895 has 24 divisors (see below), whose sum is σ = 1988983323600. Its totient is φ = 603252078336.

The previous prime is 1139294012861. The next prime is 1139294012921. The reversal of 1139294012895 is 5982104929311.

It is a happy number.

1139294012895 is a `hidden beast` number, since 1 + 1 + 392 + 9 + 40 + 128 + 95 = 666.

It is not a de Polignac number, because 1139294012895 - 2¹¹ = 1139294010847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91064410 + ... + 91076919.

It is an arithmetic number, because the mean of its divisors is an integer number (82874305150).

Almost surely, 2^{1139294012895} is an apocalyptic number.

1139294012895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1139294012895 is a deficient number, since it is larger than the sum of its proper divisors (849689310705).

1139294012895 is a wasteful number, since it uses less digits than its factorization.

1139294012895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182141479 (or 182141476 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 1139294012895 in words is "one trillion, one hundred thirty-nine billion, two hundred ninety-four million, twelve thousand, eight hundred ninety-five".