21467147542001 has 16 divisors (see below), whose sum is σ = 24964397184000. Its totient is φ = 18077893614288.

The previous prime is 21467147541907. The next prime is 21467147542037. The reversal of 21467147542001 is 10024574176412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21467147542001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21467147542201) 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 15 ways as a sum of consecutive naturals, for example, 14595125 + ... + 15998498.

It is an arithmetic number, because the mean of its divisors is an integer number (1560274824000).

Almost surely, 2^{21467147542001} is an apocalyptic number.

It is an amenable number.

21467147542001 is a deficient number, since it is larger than the sum of its proper divisors (3497249641999).

21467147542001 is a wasteful number, since it uses less digits than its factorization.

21467147542001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30595388.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 21467147542001 in words is "twenty-one trillion, four hundred sixty-seven billion, one hundred forty-seven million, five hundred forty-two thousand, one".