11372820390 has 48 divisors (see below), whose sum is σ = 30664500048. Its totient is φ = 3032751456.

The previous prime is 11372820379. The next prime is 11372820391. The reversal of 11372820390 is 9302827311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372820391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2337657 + ... + 2342516.

It is an arithmetic number, because the mean of its divisors is an integer number (638843751).

Almost surely, 2^11372820390 is an apocalyptic number.

11372820390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11372820390 is an abundant number, since it is smaller than the sum of its proper divisors (19291679658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11372820390 is an equidigital number, since it uses as much as digits as its factorization.

11372820390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680195 (or 4680183 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 11372820390 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, three hundred ninety".