11403502125 has 32 divisors (see below), whose sum is σ = 18985000320. Its totient is φ = 6078800000.

The previous prime is 11403502111. The next prime is 11403502127. The reversal of 11403502125 is 52120530411.

It is a happy number.

It is not a de Polignac number, because 11403502125 - 2⁷ = 11403501997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403502095 and 11403502104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403502127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870625 + ... + 883625.

It is an arithmetic number, because the mean of its divisors is an integer number (593281260).

Almost surely, 2^11403502125 is an apocalyptic number.

11403502125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11403502125 is a deficient number, since it is larger than the sum of its proper divisors (7581498195).

11403502125 is a wasteful number, since it uses less digits than its factorization.

11403502125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15358 (or 15348 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 11403502125 in words is "eleven billion, four hundred three million, five hundred two thousand, one hundred twenty-five".