21060340463111 has 16 divisors (see below), whose sum is σ = 22799316326400. Its totient is φ = 19393977401568.

The previous prime is 21060340463069. The next prime is 21060340463119. The reversal of 21060340463111 is 11136404306012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21060340463111 - 2⁶ = 21060340463047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21060340463119) 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, 45265271 + ... + 45728168.

It is an arithmetic number, because the mean of its divisors is an integer number (1424957270400).

Almost surely, 2^{21060340463111} is an apocalyptic number.

21060340463111 is a deficient number, since it is larger than the sum of its proper divisors (1738975863289).

21060340463111 is a wasteful number, since it uses less digits than its factorization.

21060340463111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90993838.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 21060340463111 its reverse (11136404306012), we get a palindrome (32196744769123).

The spelling of 21060340463111 in words is "twenty-one trillion, sixty billion, three hundred forty million, four hundred sixty-three thousand, one hundred eleven".