11540512433 has 4 divisors (see below), whose sum is σ = 11821988388. Its totient is φ = 11259036480.

The previous prime is 11540512409. The next prime is 11540512481. The reversal of 11540512433 is 33421504511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4503483664 + 7037028769 = 67108^2 + 83887^2 .

It is a cyclic number.

It is not a de Polignac number, because 11540512433 - 2⁶ = 11540512369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11540512396 and 11540512405.

It is not an unprimeable number, because it can be changed into a prime (11540512933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140737916 + ... + 140737997.

It is an arithmetic number, because the mean of its divisors is an integer number (2955497097).

Almost surely, 2^11540512433 is an apocalyptic number.

It is an amenable number.

11540512433 is a deficient number, since it is larger than the sum of its proper divisors (281475955).

11540512433 is an equidigital number, since it uses as much as digits as its factorization.

11540512433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281475954.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 11540512433 in words is "eleven billion, five hundred forty million, five hundred twelve thousand, four hundred thirty-three".