11722032554 has 4 divisors (see below), whose sum is σ = 17583048834. Its totient is φ = 5861016276.

The previous prime is 11722032533. The next prime is 11722032557. The reversal of 11722032554 is 45523022711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45523022711 = 23 ⋅1979261857.

It can be written as a sum of positive squares in only one way, i.e., 10562289529 + 1159743025 = 102773^2 + 34055^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11722032554.

It is not an unprimeable number, because it can be changed into a prime (11722032557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930508137 + ... + 2930508140.

Almost surely, 2^11722032554 is an apocalyptic number.

11722032554 is a deficient number, since it is larger than the sum of its proper divisors (5861016280).

11722032554 is an equidigital number, since it uses as much as digits as its factorization.

11722032554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861016279.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 11722032554 in words is "eleven billion, seven hundred twenty-two million, thirty-two thousand, five hundred fifty-four".