11403642225 has 24 divisors (see below), whose sum is σ = 18857116480. Its totient is φ = 6080944320.

The previous prime is 11403642191. The next prime is 11403642251. The reversal of 11403642225 is 52224630411.

It is not a de Polignac number, because 11403642225 - 2¹⁶ = 11403576689 is a prime.

It is a super-3 number, since 3×11403642225³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11403642192 and 11403642201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785331 + ... + 799719.

Almost surely, 2^11403642225 is an apocalyptic number.

11403642225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11403642225 is a deficient number, since it is larger than the sum of its proper divisors (7453474255).

11403642225 is a wasteful number, since it uses less digits than its factorization.

11403642225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24969 (or 24964 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 11403642225 in words is "eleven billion, four hundred three million, six hundred forty-two thousand, two hundred twenty-five".