11403213210 has 40 divisors (see below), whose sum is σ = 30661975476. Its totient is φ = 3040856640.

The previous prime is 11403213161. The next prime is 11403213281. The reversal of 11403213210 is 1231230411.

It can be written as a sum of positive squares in 2 ways, for example, as 11219258241 + 183954969 = 105921^2 + 13563^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7038211 + ... + 7039830.

Almost surely, 2^11403213210 is an apocalyptic number.

11403213210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11403213210 is an abundant number, since it is smaller than the sum of its proper divisors (19258762266).

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

11403213210 is a wasteful number, since it uses less digits than its factorization.

11403213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14078060 (or 14078051 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11403213210 its reverse (1231230411), we get a palindrome (12634443621).

The spelling of 11403213210 in words is "eleven billion, four hundred three million, two hundred thirteen thousand, two hundred ten".