11621234453555 has 8 divisors (see below), whose sum is σ = 14034306067152. Its totient is φ = 9237771080928.

The previous prime is 11621234453539. The next prime is 11621234453579. The reversal of 11621234453555 is 55535443212611.

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

It is a cyclic number.

It is not a de Polignac number, because 11621234453555 - 2⁴ = 11621234453539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7402059377 + ... + 7402060946.

It is an arithmetic number, because the mean of its divisors is an integer number (1754288258394).

Almost surely, 2^{11621234453555} is an apocalyptic number.

11621234453555 is a deficient number, since it is larger than the sum of its proper divisors (2413071613597).

11621234453555 is a wasteful number, since it uses less digits than its factorization.

11621234453555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14804120485.

The product of its digits is 2160000, while the sum is 47.

The spelling of 11621234453555 in words is "eleven trillion, six hundred twenty-one billion, two hundred thirty-four million, four hundred fifty-three thousand, five hundred fifty-five".