1155152043 has 16 divisors (see below), whose sum is σ = 1751136640. Its totient is φ = 752191272.

The previous prime is 1155152027. The next prime is 1155152071. The reversal of 1155152043 is 3402515511.

It is not a de Polignac number, because 1155152043 - 2⁴ = 1155152027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1155151998 and 1155152016.

It is not an unprimeable number, because it can be changed into a prime (1155152083) 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, 496321 + ... + 498642.

It is an arithmetic number, because the mean of its divisors is an integer number (109446040).

Almost surely, 2^1155152043 is an apocalyptic number.

1155152043 is a deficient number, since it is larger than the sum of its proper divisors (595984597).

1155152043 is an equidigital number, since it uses as much as digits as its factorization.

1155152043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995015 (or 995009 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1155152043 is about 33987.5277565168. The cubic root of 1155152043 is about 1049.2517853271.

Adding to 1155152043 its reverse (3402515511), we get a palindrome (4557667554).

The spelling of 1155152043 in words is "one billion, one hundred fifty-five million, one hundred fifty-two thousand, forty-three".