13515032430 has 24 divisors (see below), whose sum is σ = 35139084552. Its totient is φ = 3604008624.

The previous prime is 13515032393. The next prime is 13515032431. The reversal of 13515032430 is 3423051531.

13515032430 is a `hidden beast` number, since 135 + 1 + 503 + 24 + 3 + 0 = 666.

It is a super-3 number, since 3×13515032430³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 13515032394 and 13515032403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13515032431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75083424 + ... + 75083603.

It is an arithmetic number, because the mean of its divisors is an integer number (1464128523).

Almost surely, 2^13515032430 is an apocalyptic number.

13515032430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13515032430 is an abundant number, since it is smaller than the sum of its proper divisors (21624052122).

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

13515032430 is a wasteful number, since it uses less digits than its factorization.

13515032430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150167040 (or 150167037 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13515032430 its reverse (3423051531), we get a palindrome (16938083961).

The spelling of 13515032430 in words is "thirteen billion, five hundred fifteen million, thirty-two thousand, four hundred thirty".