11621234453554 has 32 divisors (see below), whose sum is σ = 19843690521600. Its totient is φ = 5052629696400.

The previous prime is 11621234453539. The next prime is 11621234453579. The reversal of 11621234453554 is 45535443212611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40179547 + ... + 40467745.

It is an arithmetic number, because the mean of its divisors is an integer number (620115328800).

Almost surely, 2^{11621234453554} is an apocalyptic number.

11621234453554 is a deficient number, since it is larger than the sum of its proper divisors (8222456068046).

11621234453554 is a wasteful number, since it uses less digits than its factorization.

11621234453554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367926.

The product of its digits is 1728000, while the sum is 46.

The spelling of 11621234453554 in words is "eleven trillion, six hundred twenty-one billion, two hundred thirty-four million, four hundred fifty-three thousand, five hundred fifty-four".