11398180826 has 16 divisors (see below), whose sum is σ = 18014153760. Its totient is φ = 5394030480.

The previous prime is 11398180811. The next prime is 11398180831. The reversal of 11398180826 is 62808189311.

It is a super-2 number, since 2×11398180826² (a number of 21 digits) contains 22 as substring.

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, 101036 + ... + 181671.

It is an arithmetic number, because the mean of its divisors is an integer number (1125884610).

Almost surely, 2^11398180826 is an apocalyptic number.

11398180826 is a deficient number, since it is larger than the sum of its proper divisors (6615972934).

11398180826 is a wasteful number, since it uses less digits than its factorization.

11398180826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283789.

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 11398180826 in words is "eleven billion, three hundred ninety-eight million, one hundred eighty thousand, eight hundred twenty-six".