21160563151 has 16 divisors (see below), whose sum is σ = 26072460288. Its totient is φ = 16723980000.

The previous prime is 21160563143. The next prime is 21160563161. The reversal of 21160563151 is 15136506112.

It is a happy number.

It is not a de Polignac number, because 21160563151 - 2³ = 21160563143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160563101) 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, 44725 + ... + 210526.

It is an arithmetic number, because the mean of its divisors is an integer number (1629528768).

Almost surely, 2^21160563151 is an apocalyptic number.

21160563151 is a deficient number, since it is larger than the sum of its proper divisors (4911897137).

21160563151 is a wasteful number, since it uses less digits than its factorization.

21160563151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256182.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 21160563151 in words is "twenty-one billion, one hundred sixty million, five hundred sixty-three thousand, one hundred fifty-one".