21623462107011 has 24 divisors (see below), whose sum is σ = 31556290225824. Its totient is φ = 14266844951040.

The previous prime is 21623462106989. The next prime is 21623462107067. The reversal of 21623462107011 is 11070126432612.

21623462107011 is a `hidden beast` number, since 2 + 1 + 6 + 23 + 4 + 621 + 0 + 7 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 21623462107011 - 2¹⁴ = 21623462090627 is a prime.

It is a super-2 number, since 2×21623462107011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21623462107111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129755401 + ... + 129921941.

It is an arithmetic number, because the mean of its divisors is an integer number (1314845426076).

Almost surely, 2^{21623462107011} is an apocalyptic number.

21623462107011 is a deficient number, since it is larger than the sum of its proper divisors (9932828118813).

21623462107011 is a wasteful number, since it uses less digits than its factorization.

21623462107011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315371 (or 315368 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 21623462107011 its reverse (11070126432612), we get a palindrome (32693588539623).

The spelling of 21623462107011 in words is "twenty-one trillion, six hundred twenty-three billion, four hundred sixty-two million, one hundred seven thousand, eleven".