11432043513 has 96 divisors (see below), whose sum is σ = 19668155520. Its totient is φ = 6503535360.

The previous prime is 11432043509. The next prime is 11432043517. The reversal of 11432043513 is 31534023411.

It is a happy number.

11432043513 is a `hidden beast` number, since 1 + 143 + 2 + 0 + 4 + 3 + 513 = 666.

It is an interprime number because it is at equal distance from previous prime (11432043509) and next prime (11432043517).

It is not a de Polignac number, because 11432043513 - 2² = 11432043509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11432043517) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 9241131 + ... + 9242367.

It is an arithmetic number, because the mean of its divisors is an integer number (204876620).

Almost surely, 2^11432043513 is an apocalyptic number.

It is an amenable number.

11432043513 is a deficient number, since it is larger than the sum of its proper divisors (8236112007).

11432043513 is a wasteful number, since it uses less digits than its factorization.

11432043513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11432043513 its reverse (31534023411), we get a palindrome (42966066924).

The spelling of 11432043513 in words is "eleven billion, four hundred thirty-two million, forty-three thousand, five hundred thirteen".