20450040011151 has 16 divisors (see below), whose sum is σ = 27350480122368. Its totient is φ = 13591484121600.

The previous prime is 20450040011117. The next prime is 20450040011179. The reversal of 20450040011151 is 15111004005402.

It is not a de Polignac number, because 20450040011151 - 2¹⁵ = 20450039978383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450040001151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19509130 + ... + 20530616.

It is an arithmetic number, because the mean of its divisors is an integer number (1709405007648).

Almost surely, 2^{20450040011151} is an apocalyptic number.

20450040011151 is a deficient number, since it is larger than the sum of its proper divisors (6900440111217).

20450040011151 is a wasteful number, since it uses less digits than its factorization.

20450040011151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041982.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 20450040011151 its reverse (15111004005402), we get a palindrome (35561044016553).

The spelling of 20450040011151 in words is "twenty trillion, four hundred fifty billion, forty million, eleven thousand, one hundred fifty-one".