11555102004 has 12 divisors (see below), whose sum is σ = 26961904704. Its totient is φ = 3851700664.

The previous prime is 11555101979. The next prime is 11555102017. The reversal of 11555102004 is 40020155511.

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, 481462572 + ... + 481462595.

It is an arithmetic number, because the mean of its divisors is an integer number (2246825392).

Almost surely, 2^11555102004 is an apocalyptic number.

It is an amenable number.

11555102004 is an abundant number, since it is smaller than the sum of its proper divisors (15406802700).

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

11555102004 is a wasteful number, since it uses less digits than its factorization.

11555102004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962925174 (or 962925172 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 11555102004 its reverse (40020155511), we get a palindrome (51575257515).

The spelling of 11555102004 in words is "eleven billion, five hundred fifty-five million, one hundred two thousand, four".