1099494515 has 48 divisors (see below), whose sum is σ = 1578822336. Its totient is φ = 719953920.

The previous prime is 1099494511. The next prime is 1099494541. The reversal of 1099494515 is 5154949901.

It is not a de Polignac number, because 1099494515 - 2² = 1099494511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1099494515.

It is not an unprimeable number, because it can be changed into a prime (1099494511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3262427 + ... + 3262763.

It is an arithmetic number, because the mean of its divisors is an integer number (32892132).

Almost surely, 2^1099494515 is an apocalyptic number.

1099494515 is a deficient number, since it is larger than the sum of its proper divisors (479327821).

1099494515 is an equidigital number, since it uses as much as digits as its factorization.

1099494515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 1099494515 is about 33158.6265547896. The cubic root of 1099494515 is about 1032.1219693767.

The spelling of 1099494515 in words is "one billion, ninety-nine million, four hundred ninety-four thousand, five hundred fifteen".