21141036017 has 8 divisors (see below), whose sum is σ = 22389470016. Its totient is φ = 19920040272.

The previous prime is 21141035911. The next prime is 21141036023. The reversal of 21141036017 is 71063014112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21141036017 - 2¹⁸ = 21140773873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21141036317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6857978 + ... + 6861059.

It is an arithmetic number, because the mean of its divisors is an integer number (2798683752).

Almost surely, 2^21141036017 is an apocalyptic number.

It is an amenable number.

21141036017 is a deficient number, since it is larger than the sum of its proper divisors (1248433999).

21141036017 is a wasteful number, since it uses less digits than its factorization.

21141036017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719127.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 21141036017 in words is "twenty-one billion, one hundred forty-one million, thirty-six thousand, seventeen".