10021086456551 has 2 divisors, whose sum is σ = 10021086456552. Its totient is φ = 10021086456550.

The previous prime is 10021086456539. The next prime is 10021086456553. The reversal of 10021086456551 is 15565468012001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021086456551 - 2²⁶ = 10021019347687 is a prime.

Together with 10021086456553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021086456553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010543228275 + 5010543228276.

It is an arithmetic number, because the mean of its divisors is an integer number (5010543228276).

Almost surely, 2^{10021086456551} is an apocalyptic number.

10021086456551 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021086456551 is an equidigital number, since it uses as much as digits as its factorization.

10021086456551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 10021086456551 in words is "ten trillion, twenty-one billion, eighty-six million, four hundred fifty-six thousand, five hundred fifty-one".