11464063531 has 4 divisors (see below), whose sum is σ = 11833872064. Its totient is φ = 11094255000.

The previous prime is 11464063519. The next prime is 11464063553. The reversal of 11464063531 is 13536046411.

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

It is a cyclic number.

It is not a de Polignac number, because 11464063531 - 2⁹ = 11464063019 is a prime.

It is a super-3 number, since 3×11464063531³ (a number of 31 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 (11464063561) 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, 184904220 + ... + 184904281.

It is an arithmetic number, because the mean of its divisors is an integer number (2958468016).

Almost surely, 2^11464063531 is an apocalyptic number.

11464063531 is a deficient number, since it is larger than the sum of its proper divisors (369808533).

11464063531 is an equidigital number, since it uses as much as digits as its factorization.

11464063531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369808532.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 11464063531 in words is "eleven billion, four hundred sixty-four million, sixty-three thousand, five hundred thirty-one".