20003555111135 has 8 divisors (see below), whose sum is σ = 24004430328480. Its totient is φ = 16002734625504.

The previous prime is 20003555111131. The next prime is 20003555111207. The reversal of 20003555111135 is 53111155530002.

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 20003555111135 - 2² = 20003555111131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003555111131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12874520 + ... + 14344349.

It is an arithmetic number, because the mean of its divisors is an integer number (3000553791060).

Almost surely, 2^{20003555111135} is an apocalyptic number.

20003555111135 is a deficient number, since it is larger than the sum of its proper divisors (4000875217345).

20003555111135 is a wasteful number, since it uses less digits than its factorization.

20003555111135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27365857.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 20003555111135 in words is "twenty trillion, three billion, five hundred fifty-five million, one hundred eleven thousand, one hundred thirty-five".