1156091794 has 32 divisors (see below), whose sum is σ = 2050364736. Its totient is φ = 481965120.

The previous prime is 1156091779. The next prime is 1156091821. The reversal of 1156091794 is 4971906511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156091794.

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, 32029 + ... + 57775.

It is an arithmetic number, because the mean of its divisors is an integer number (64073898).

Almost surely, 2^1156091794 is an apocalyptic number.

1156091794 is a deficient number, since it is larger than the sum of its proper divisors (894272942).

1156091794 is a wasteful number, since it uses less digits than its factorization.

1156091794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25930.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1156091794 is about 34001.3498849678. The cubic root of 1156091794 is about 1049.5362408530.

The spelling of 1156091794 in words is "one billion, one hundred fifty-six million, ninety-one thousand, seven hundred ninety-four".