11621021111004 has 12 divisors (see below), whose sum is σ = 27115715925704. Its totient is φ = 3873673703664.

The previous prime is 11621021110967. The next prime is 11621021111101. The reversal of 11621021111004 is 40011112012611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 484209212947 + ... + 484209212970.

Almost surely, 2^{11621021111004} is an apocalyptic number.

It is an amenable number.

11621021111004 is an abundant number, since it is smaller than the sum of its proper divisors (15494694814700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11621021111004 is a wasteful number, since it uses less digits than its factorization.

11621021111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968418425924 (or 968418425922 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 11621021111004 its reverse (40011112012611), we get a palindrome (51632133123615).

The spelling of 11621021111004 in words is "eleven trillion, six hundred twenty-one billion, twenty-one million, one hundred eleven thousand, four".