1155962043 has 32 divisors (see below), whose sum is σ = 1749369600. Its totient is φ = 754185600.

The previous prime is 1155962009. The next prime is 1155962053. The reversal of 1155962043 is 3402695511.

1155962043 is a `hidden beast` number, since 1 + 1 + 5 + 596 + 20 + 43 = 666.

It is not a de Polignac number, because 1155962043 - 2²¹ = 1153864891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155961989 and 1155962007.

It is not an unprimeable number, because it can be changed into a prime (1155962053) 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, 382408 + ... + 385418.

It is an arithmetic number, because the mean of its divisors is an integer number (54667800).

Almost surely, 2^1155962043 is an apocalyptic number.

1155962043 is a deficient number, since it is larger than the sum of its proper divisors (593407557).

1155962043 is a wasteful number, since it uses less digits than its factorization.

1155962043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1155962043 is about 33999.4418042414. The cubic root of 1155962043 is about 1049.4969753805.

The spelling of 1155962043 in words is "one billion, one hundred fifty-five million, nine hundred sixty-two thousand, forty-three".