20111534114354 has 24 divisors (see below), whose sum is σ = 30785248477620. Its totient is φ = 9853838029568.

The previous prime is 20111534114333. The next prime is 20111534114389. The reversal of 20111534114354 is 45341143511102.

It can be written as a sum of positive squares in 6 ways, for example, as 20111394992329 + 139122025 = 4484573^2 + 11795^2 .

It is a super-2 number, since 2×20111534114354² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2332454 + ... + 6757470.

Almost surely, 2^{20111534114354} is an apocalyptic number.

20111534114354 is a deficient number, since it is larger than the sum of its proper divisors (10673714363266).

20111534114354 is an equidigital number, since it uses as much as digits as its factorization.

20111534114354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425934 (or 4425881 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 20111534114354 its reverse (45341143511102), we get a palindrome (65452677625456).

The spelling of 20111534114354 in words is "twenty trillion, one hundred eleven billion, five hundred thirty-four million, one hundred fourteen thousand, three hundred fifty-four".