1158112011 has 12 divisors (see below), whose sum is σ = 1796255592. Its totient is φ = 661778208.

The previous prime is 1158112009. The next prime is 1158112049. The reversal of 1158112011 is 1102118511.

It is not a de Polignac number, because 1158112011 - 2¹ = 1158112009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1158112061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3939010 + ... + 3939303.

It is an arithmetic number, because the mean of its divisors is an integer number (149687966).

Almost surely, 2^1158112011 is an apocalyptic number.

1158112011 is a deficient number, since it is larger than the sum of its proper divisors (638143581).

1158112011 is an equidigital number, since it uses as much as digits as its factorization.

1158112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878330 (or 7878323 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 21.

The square root of 1158112011 is about 34031.0448120536. The cubic root of 1158112011 is about 1050.1472238008.

The spelling of 1158112011 in words is "one billion, one hundred fifty-eight million, one hundred twelve thousand, eleven".