1091480523 has 16 divisors (see below), whose sum is σ = 1664399616. Its totient is φ = 623256480.

The previous prime is 1091480491. The next prime is 1091480539. The reversal of 1091480523 is 3250841901.

It is not a de Polignac number, because 1091480523 - 2⁵ = 1091480491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1091480543) 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, 12628 + ... + 48398.

It is an arithmetic number, because the mean of its divisors is an integer number (104024976).

Almost surely, 2^1091480523 is an apocalyptic number.

1091480523 is a deficient number, since it is larger than the sum of its proper divisors (572919093).

1091480523 is a wasteful number, since it uses less digits than its factorization.

1091480523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37234.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1091480523 is about 33037.5623041410. The cubic root of 1091480523 is about 1029.6082096164.

The spelling of 1091480523 in words is "one billion, ninety-one million, four hundred eighty thousand, five hundred twenty-three".