11497043890 has 16 divisors (see below), whose sum is σ = 21003556032. Its totient is φ = 4530178224.

The previous prime is 11497043867. The next prime is 11497043927. The reversal of 11497043890 is 9834079411.

It is a self number, because there is not a number n which added to its sum of digits gives 11497043890.

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, 8579214 + ... + 8580553.

It is an arithmetic number, because the mean of its divisors is an integer number (1312722252).

Almost surely, 2^11497043890 is an apocalyptic number.

11497043890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11497043890 is a deficient number, since it is larger than the sum of its proper divisors (9506512142).

11497043890 is a wasteful number, since it uses less digits than its factorization.

11497043890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17159841.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 11497043890 in words is "eleven billion, four hundred ninety-seven million, forty-three thousand, eight hundred ninety".