1150553533 has 4 divisors (see below), whose sum is σ = 1161109180. Its totient is φ = 1139997888.

The previous prime is 1150553527. The next prime is 1150553549. The reversal of 1150553533 is 3353550511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 920636964 + 229916569 = 30342^2 + 15163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150553533 - 2⁵ = 1150553501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150553495 and 1150553504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150559533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5277660 + ... + 5277877.

It is an arithmetic number, because the mean of its divisors is an integer number (290277295).

Almost surely, 2^1150553533 is an apocalyptic number.

It is an amenable number.

1150553533 is a deficient number, since it is larger than the sum of its proper divisors (10555647).

1150553533 is a wasteful number, since it uses less digits than its factorization.

1150553533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555646.

The product of its (nonzero) digits is 16875, while the sum is 31.

The square root of 1150553533 is about 33919.8103326065. The cubic root of 1150553533 is about 1047.8576220759.

The spelling of 1150553533 in words is "one billion, one hundred fifty million, five hundred fifty-three thousand, five hundred thirty-three".