1161340495 has 32 divisors (see below), whose sum is σ = 1664759808. Its totient is φ = 760434048.

The previous prime is 1161340487. The next prime is 1161340549. The reversal of 1161340495 is 5940431611.

It is a cyclic number.

It is not a de Polignac number, because 1161340495 - 2³ = 1161340487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161340495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801862 + ... + 803308.

It is an arithmetic number, because the mean of its divisors is an integer number (52023744).

Almost surely, 2^1161340495 is an apocalyptic number.

1161340495 is a deficient number, since it is larger than the sum of its proper divisors (503419313).

1161340495 is a wasteful number, since it uses less digits than its factorization.

1161340495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1161340495 is about 34078.4461940388. The cubic root of 1161340495 is about 1051.1221548021.

The spelling of 1161340495 in words is "one billion, one hundred sixty-one million, three hundred forty thousand, four hundred ninety-five".