20361000551135 has 8 divisors (see below), whose sum is σ = 24451952166240. Its totient is φ = 16276299437664.

The previous prime is 20361000551131. The next prime is 20361000551219. The reversal of 20361000551135 is 53115500016302.

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 20361000551135 - 2² = 20361000551131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20361000551131) 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, 1562618240 + ... + 1562631269.

It is an arithmetic number, because the mean of its divisors is an integer number (3056494020780).

Almost surely, 2^{20361000551135} is an apocalyptic number.

20361000551135 is a deficient number, since it is larger than the sum of its proper divisors (4090951615105).

20361000551135 is a wasteful number, since it uses less digits than its factorization.

20361000551135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125250817.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 20361000551135 its reverse (53115500016302), we get a palindrome (73476500567437).

The spelling of 20361000551135 in words is "twenty trillion, three hundred sixty-one billion, five hundred fifty-one thousand, one hundred thirty-five".