11649245218522 has 8 divisors (see below), whose sum is σ = 17514223182036. Its totient is φ = 5811170824512.

The previous prime is 11649245218517. The next prime is 11649245218537. The reversal of 11649245218522 is 22581254294611.

11649245218522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11583124753201 + 66120465321 = 3403399^2 + 257139^2 .

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

It is a super-2 number, since 2×11649245218522² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11649245218522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6725891293 + ... + 6725893024.

Almost surely, 2^{11649245218522} is an apocalyptic number.

11649245218522 is a deficient number, since it is larger than the sum of its proper divisors (5864977963514).

11649245218522 is a wasteful number, since it uses less digits than its factorization.

11649245218522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451784752.

The product of its digits is 2764800, while the sum is 52.

The spelling of 11649245218522 in words is "eleven trillion, six hundred forty-nine billion, two hundred forty-five million, two hundred eighteen thousand, five hundred twenty-two".