1155896079 has 16 divisors (see below), whose sum is σ = 1757381472. Its totient is φ = 669477888.

The previous prime is 1155896057. The next prime is 1155896083. The reversal of 1155896079 is 9706985511.

It is not a de Polignac number, because 1155896079 - 2⁵ = 1155896047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155896099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871054 + ... + 872379.

It is an arithmetic number, because the mean of its divisors is an integer number (109836342).

Almost surely, 2^1155896079 is an apocalyptic number.

1155896079 is a deficient number, since it is larger than the sum of its proper divisors (601485393).

1155896079 is a wasteful number, since it uses less digits than its factorization.

1155896079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743466.

The product of its (nonzero) digits is 680400, while the sum is 51.

The square root of 1155896079 is about 33998.4717156522. The cubic root of 1155896079 is about 1049.4770121139.

The spelling of 1155896079 in words is "one billion, one hundred fifty-five million, eight hundred ninety-six thousand, seventy-nine".