11583126028531 has 4 divisors (see below), whose sum is σ = 11619665858592. Its totient is φ = 11546586198472.

The previous prime is 11583126028457. The next prime is 11583126028541. The reversal of 11583126028531 is 13582062138511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11583126028531 is a prime.

It is a super-3 number, since 3×11583126028531³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11583126028541) 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 3 ways as a sum of consecutive naturals, for example, 18269914555 + ... + 18269915188.

It is an arithmetic number, because the mean of its divisors is an integer number (2904916464648).

Almost surely, 2^{11583126028531} is an apocalyptic number.

11583126028531 is a deficient number, since it is larger than the sum of its proper divisors (36539830061).

11583126028531 is an equidigital number, since it uses as much as digits as its factorization.

11583126028531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36539830060.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 11583126028531 in words is "eleven trillion, five hundred eighty-three billion, one hundred twenty-six million, twenty-eight thousand, five hundred thirty-one".