11800147790 has 24 divisors (see below), whose sum is σ = 22417018920. Its totient is φ = 4471633584.

The previous prime is 11800147787. The next prime is 11800147813. The reversal of 11800147790 is 9774100811.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630760 + ... + 1637979.

It is an arithmetic number, because the mean of its divisors is an integer number (934042455).

Almost surely, 2^11800147790 is an apocalyptic number.

11800147790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11800147790 is a deficient number, since it is larger than the sum of its proper divisors (10616871130).

11800147790 is a wasteful number, since it uses less digits than its factorization.

11800147790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268784 (or 3268765 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 38.

The spelling of 11800147790 in words is "eleven billion, eight hundred million, one hundred forty-seven thousand, seven hundred ninety".