10665621151 has 2 divisors, whose sum is σ = 10665621152. Its totient is φ = 10665621150.

The previous prime is 10665621149. The next prime is 10665621167. The reversal of 10665621151 is 15112656601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10665621151 - 2¹ = 10665621149 is a prime.

It is a super-2 number, since 2×10665621151² (a number of 21 digits) contains 22 as substring.

Together with 10665621149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10665621181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332810575 + 5332810576.

It is an arithmetic number, because the mean of its divisors is an integer number (5332810576).

Almost surely, 2^10665621151 is an apocalyptic number.

10665621151 is a deficient number, since it is larger than the sum of its proper divisors (1).

10665621151 is an equidigital number, since it uses as much as digits as its factorization.

10665621151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 10665621151 in words is "ten billion, six hundred sixty-five million, six hundred twenty-one thousand, one hundred fifty-one".