1153531498 has 16 divisors (see below), whose sum is σ = 2093805504. Its totient is φ = 465289920.

The previous prime is 1153531487. The next prime is 1153531513. The reversal of 1153531498 is 8941353511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153531498.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423148 + ... + 2423623.

It is an arithmetic number, because the mean of its divisors is an integer number (130862844).

Almost surely, 2^1153531498 is an apocalyptic number.

1153531498 is a deficient number, since it is larger than the sum of its proper divisors (940274006).

1153531498 is a wasteful number, since it uses less digits than its factorization.

1153531498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846797.

The product of its digits is 64800, while the sum is 40.

The square root of 1153531498 is about 33963.6790998855. The cubic root of 1153531498 is about 1048.7608959817.

The spelling of 1153531498 in words is "one billion, one hundred fifty-three million, five hundred thirty-one thousand, four hundred ninety-eight".