11621522234554 has 8 divisors (see below), whose sum is σ = 17432321355540. Its totient is φ = 5810748449376.

The previous prime is 11621522234533. The next prime is 11621522234561. The reversal of 11621522234554 is 45543222512611.

11621522234554 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 11592901377225 + 28620857329 = 3404835^2 + 169177^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11621522234554.

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, 5142369 + ... + 7048900.

Almost surely, 2^{11621522234554} is an apocalyptic number.

11621522234554 is a deficient number, since it is larger than the sum of its proper divisors (5810799120986).

11621522234554 is a wasteful number, since it uses less digits than its factorization.

11621522234554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12667904.

The product of its digits is 576000, while the sum is 43.

The spelling of 11621522234554 in words is "eleven trillion, six hundred twenty-one billion, five hundred twenty-two million, two hundred thirty-four thousand, five hundred fifty-four".