11001055898 has 32 divisors (see below), whose sum is σ = 19861040640. Its totient is φ = 4464454320.

The previous prime is 11001055883. The next prime is 11001055903. The reversal of 11001055898 is 89855010011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621965 + ... + 639407.

It is an arithmetic number, because the mean of its divisors is an integer number (620657520).

Almost surely, 2^11001055898 is an apocalyptic number.

11001055898 is a deficient number, since it is larger than the sum of its proper divisors (8859984742).

11001055898 is a wasteful number, since it uses less digits than its factorization.

11001055898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19842.

The product of its (nonzero) digits is 14400, while the sum is 38.

The spelling of 11001055898 in words is "eleven billion, one million, fifty-five thousand, eight hundred ninety-eight".