11722479026 has 4 divisors (see below), whose sum is σ = 17583718542. Its totient is φ = 5861239512.

The previous prime is 11722479017. The next prime is 11722479059. The reversal of 11722479026 is 62097422711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62097422711 = 3323 ⋅18687157.

It can be written as a sum of positive squares in only one way, i.e., 6504583801 + 5217895225 = 80651^2 + 72235^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930619755 + ... + 2930619758.

Almost surely, 2^11722479026 is an apocalyptic number.

11722479026 is a deficient number, since it is larger than the sum of its proper divisors (5861239516).

11722479026 is an equidigital number, since it uses as much as digits as its factorization.

11722479026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861239515.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 11722479026 in words is "eleven billion, seven hundred twenty-two million, four hundred seventy-nine thousand, twenty-six".