21462141939511 has 48 divisors (see below), whose sum is σ = 28416309335040. Its totient is φ = 15823569490560.

The previous prime is 21462141939479. The next prime is 21462141939533. The reversal of 21462141939511 is 11593914126412.

It is not a de Polignac number, because 21462141939511 - 2⁵ = 21462141939479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21462141939551) 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 47 ways as a sum of consecutive naturals, for example, 6455535 + ... + 9197728.

It is an arithmetic number, because the mean of its divisors is an integer number (592006444480).

Almost surely, 2^{21462141939511} is an apocalyptic number.

21462141939511 is a deficient number, since it is larger than the sum of its proper divisors (6954167395529).

21462141939511 is a wasteful number, since it uses less digits than its factorization.

21462141939511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15653376 (or 15653363 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The spelling of 21462141939511 in words is "twenty-one trillion, four hundred sixty-two billion, one hundred forty-one million, nine hundred thirty-nine thousand, five hundred eleven".