1153916043 has 24 divisors (see below), whose sum is σ = 1793448000. Its totient is φ = 658017360.

The previous prime is 1153916039. The next prime is 1153916063. The reversal of 1153916043 is 3406193511.

It is not a de Polignac number, because 1153916043 - 2² = 1153916039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153915995 and 1153916013.

It is not an unprimeable number, because it can be changed into a prime (1153916033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65488 + ... + 81218.

It is an arithmetic number, because the mean of its divisors is an integer number (74727000).

Almost surely, 2^1153916043 is an apocalyptic number.

1153916043 is a deficient number, since it is larger than the sum of its proper divisors (639531957).

1153916043 is a wasteful number, since it uses less digits than its factorization.

1153916043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16247 (or 16240 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1153916043 is about 33969.3397492504. The cubic root of 1153916043 is about 1048.8774224782.

The spelling of 1153916043 in words is "one billion, one hundred fifty-three million, nine hundred sixteen thousand, forty-three".