11732549551 has 4 divisors (see below), whose sum is σ = 11793976704. Its totient is φ = 11671122400.

The previous prime is 11732549501. The next prime is 11732549581. The reversal of 11732549551 is 15594523711.

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 11732549551 - 2¹⁷ = 11732418479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11732549498 and 11732549507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11732549501) 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, 30713290 + ... + 30713671.

It is an arithmetic number, because the mean of its divisors is an integer number (2948494176).

Almost surely, 2^11732549551 is an apocalyptic number.

11732549551 is a deficient number, since it is larger than the sum of its proper divisors (61427153).

11732549551 is an equidigital number, since it uses as much as digits as its factorization.

11732549551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61427152.

The product of its digits is 189000, while the sum is 43.

The spelling of 11732549551 in words is "eleven billion, seven hundred thirty-two million, five hundred forty-nine thousand, five hundred fifty-one".