11543424634 has 8 divisors (see below), whose sum is σ = 19788727968. Its totient is φ = 4947181980.

The previous prime is 11543424623. The next prime is 11543424637. The reversal of 11543424634 is 43642434511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11543424593 and 11543424602.

It is not an unprimeable number, because it can be changed into a prime (11543424637) 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, 412265152 + ... + 412265179.

It is an arithmetic number, because the mean of its divisors is an integer number (2473590996).

Almost surely, 2^11543424634 is an apocalyptic number.

11543424634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11543424634 is a deficient number, since it is larger than the sum of its proper divisors (8245303334).

11543424634 is an equidigital number, since it uses as much as digits as its factorization.

11543424634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824530340.

The product of its digits is 138240, while the sum is 37.

The spelling of 11543424634 in words is "eleven billion, five hundred forty-three million, four hundred twenty-four thousand, six hundred thirty-four".