1004133266531 has 4 divisors (see below), whose sum is σ = 1004140036200. Its totient is φ = 1004126496864.

The previous prime is 1004133266519. The next prime is 1004133266579. The reversal of 1004133266531 is 1356623314001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004133266531 - 2³⁴ = 986953397347 is a prime.

It is a super-2 number, since 2×1004133266531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004133266491 and 1004133266500.

It is not an unprimeable number, because it can be changed into a prime (1004133266501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157241 + ... + 3460698.

It is an arithmetic number, because the mean of its divisors is an integer number (251035009050).

Almost surely, 2^{1004133266531} is an apocalyptic number.

1004133266531 is a deficient number, since it is larger than the sum of its proper divisors (6769669).

1004133266531 is an equidigital number, since it uses as much as digits as its factorization.

1004133266531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769668.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 1004133266531 in words is "one trillion, four billion, one hundred thirty-three million, two hundred sixty-six thousand, five hundred thirty-one".