11403504430 has 16 divisors (see below), whose sum is σ = 20560586400. Its totient is φ = 4553784352.

The previous prime is 11403504401. The next prime is 11403504509. The reversal of 11403504430 is 3440530411.

It is a junction number, because it is equal to n+sod(n) for n = 11403504395 and 11403504404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945889 + ... + 957868.

It is an arithmetic number, because the mean of its divisors is an integer number (1285036650).

Almost surely, 2^11403504430 is an apocalyptic number.

11403504430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11403504430 is a deficient number, since it is larger than the sum of its proper divisors (9157081970).

11403504430 is a wasteful number, since it uses less digits than its factorization.

11403504430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904363.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 11403504430 in words is "eleven billion, four hundred three million, five hundred four thousand, four hundred thirty".