11312629543 has 4 divisors (see below), whose sum is σ = 11324652408. Its totient is φ = 11300606680.

The previous prime is 11312629499. The next prime is 11312629553. The reversal of 11312629543 is 34592621311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34592621311 = 41 ⋅843722471.

It is a cyclic number.

It is not a de Polignac number, because 11312629543 - 2¹⁷ = 11312498471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312629553) 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, 6010021 + ... + 6011902.

It is an arithmetic number, because the mean of its divisors is an integer number (2831163102).

Almost surely, 2^11312629543 is an apocalyptic number.

11312629543 is a deficient number, since it is larger than the sum of its proper divisors (12022865).

11312629543 is an equidigital number, since it uses as much as digits as its factorization.

11312629543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022864.

The product of its digits is 38880, while the sum is 37.

It can be divided in two parts, 1131262 and 9543, that added together give a triangular number (1140805 = T₁₅₁₀).

The spelling of 11312629543 in words is "eleven billion, three hundred twelve million, six hundred twenty-nine thousand, five hundred forty-three".