11481617629 has 4 divisors (see below), whose sum is σ = 11539314400. Its totient is φ = 11423920860.

The previous prime is 11481617627. The next prime is 11481617633. The reversal of 11481617629 is 92671618411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11481617629 - 2¹ = 11481617627 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 (11481617627) 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, 28848087 + ... + 28848484.

It is an arithmetic number, because the mean of its divisors is an integer number (2884828600).

Almost surely, 2^11481617629 is an apocalyptic number.

It is an amenable number.

11481617629 is a deficient number, since it is larger than the sum of its proper divisors (57696771).

11481617629 is an equidigital number, since it uses as much as digits as its factorization.

11481617629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57696770.

The product of its digits is 145152, while the sum is 46.

The spelling of 11481617629 in words is "eleven billion, four hundred eighty-one million, six hundred seventeen thousand, six hundred twenty-nine".