1099399490158 has 16 divisors (see below), whose sum is σ = 1729705011264. Its totient is φ = 523463355360.

The previous prime is 1099399490149. The next prime is 1099399490179. The reversal of 1099399490158 is 8510949939901.

It is a junction number, because it is equal to n+sod(n) for n = 1099399490093 and 1099399490102.

It is a congruent number.

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, 158047053 + ... + 158054008.

It is an arithmetic number, because the mean of its divisors is an integer number (108106563204).

Almost surely, 2^{1099399490158} is an apocalyptic number.

1099399490158 is a deficient number, since it is larger than the sum of its proper divisors (630305521106).

1099399490158 is a wasteful number, since it uses less digits than its factorization.

1099399490158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316101147.

The product of its (nonzero) digits is 28343520, while the sum is 67.

The spelling of 1099399490158 in words is "one trillion, ninety-nine billion, three hundred ninety-nine million, four hundred ninety thousand, one hundred fifty-eight".