1045399899026 has 16 divisors (see below), whose sum is σ = 1816663622784. Its totient is φ = 441891150624.

The previous prime is 1045399898903. The next prime is 1045399899067. The reversal of 1045399899026 is 6209989935401.

1045399899026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 511447070 + ... + 511449113.

It is an arithmetic number, because the mean of its divisors is an integer number (113541476424).

Almost surely, 2^{1045399899026} is an apocalyptic number.

1045399899026 is a deficient number, since it is larger than the sum of its proper divisors (771263723758).

1045399899026 is a wasteful number, since it uses less digits than its factorization.

1045399899026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022896265.

The product of its (nonzero) digits is 37791360, while the sum is 65.

The spelling of 1045399899026 in words is "one trillion, forty-five billion, three hundred ninety-nine million, eight hundred ninety-nine thousand, twenty-six".