11403213225 has 12 divisors (see below), whose sum is σ = 18853312656. Its totient is φ = 6081713680.

The previous prime is 11403213161. The next prime is 11403213281. The reversal of 11403213225 is 52231230411.

It is not a de Polignac number, because 11403213225 - 2⁶ = 11403213161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403213195 and 11403213204.

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, 76021347 + ... + 76021496.

It is an arithmetic number, because the mean of its divisors is an integer number (1571109388).

Almost surely, 2^11403213225 is an apocalyptic number.

11403213225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11403213225 is a deficient number, since it is larger than the sum of its proper divisors (7450099431).

11403213225 is a wasteful number, since it uses less digits than its factorization.

11403213225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152042856 (or 152042851 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11403213225 its reverse (52231230411), we get a palindrome (63634443636).

The spelling of 11403213225 in words is "eleven billion, four hundred three million, two hundred thirteen thousand, two hundred twenty-five".