21152526614351 has 16 divisors (see below), whose sum is σ = 23481688007040. Its totient is φ = 18892580525280.

The previous prime is 21152526614339. The next prime is 21152526614377. The reversal of 21152526614351 is 15341662525112.

It is a happy number.

It is not a de Polignac number, because 21152526614351 - 2¹⁰ = 21152526613327 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 (21152526614321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37584596 + ... + 38143241.

It is an arithmetic number, because the mean of its divisors is an integer number (1467605500440).

Almost surely, 2^{21152526614351} is an apocalyptic number.

21152526614351 is a deficient number, since it is larger than the sum of its proper divisors (2329161392689).

21152526614351 is a wasteful number, since it uses less digits than its factorization.

21152526614351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75728294.

The product of its digits is 432000, while the sum is 44.

The spelling of 21152526614351 in words is "twenty-one trillion, one hundred fifty-two billion, five hundred twenty-six million, six hundred fourteen thousand, three hundred fifty-one".