1158637795 has 32 divisors (see below), whose sum is σ = 1669966848. Its totient is φ = 755008128.

The previous prime is 1158637793. The next prime is 1158637801. The reversal of 1158637795 is 5977368511.

It is not a de Polignac number, because 1158637795 - 2¹ = 1158637793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158637793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45282 + ... + 66088.

It is an arithmetic number, because the mean of its divisors is an integer number (52186464).

Almost surely, 2^1158637795 is an apocalyptic number.

1158637795 is a deficient number, since it is larger than the sum of its proper divisors (511329053).

1158637795 is a wasteful number, since it uses less digits than its factorization.

1158637795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20899.

The product of its digits is 1587600, while the sum is 52.

The square root of 1158637795 is about 34038.7689994806. The cubic root of 1158637795 is about 1050.3061223830.

The spelling of 1158637795 in words is "one billion, one hundred fifty-eight million, six hundred thirty-seven thousand, seven hundred ninety-five".