21152536151 has 8 divisors (see below), whose sum is σ = 21582203664. Its totient is φ = 20727187200.

The previous prime is 21152536117. The next prime is 21152536157. The reversal of 21152536151 is 15163525112.

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 21152536151 - 2³⁰ = 20078794327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21152536157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069745 + ... + 1089338.

It is an arithmetic number, because the mean of its divisors is an integer number (2697775458).

Almost surely, 2^21152536151 is an apocalyptic number.

21152536151 is a deficient number, since it is larger than the sum of its proper divisors (429667513).

21152536151 is a wasteful number, since it uses less digits than its factorization.

21152536151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159281.

The product of its digits is 9000, while the sum is 32.

The spelling of 21152536151 in words is "twenty-one billion, one hundred fifty-two million, five hundred thirty-six thousand, one hundred fifty-one".