16215372261443 has 2 divisors, whose sum is σ = 16215372261444. Its totient is φ = 16215372261442.

The previous prime is 16215372261367. The next prime is 16215372261493. The reversal of 16215372261443 is 34416227351261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16215372261443 - 2¹² = 16215372257347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16215372261493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8107686130721 + 8107686130722.

It is an arithmetic number, because the mean of its divisors is an integer number (8107686130722).

Almost surely, 2^{16215372261443} is an apocalyptic number.

16215372261443 is a deficient number, since it is larger than the sum of its proper divisors (1).

16215372261443 is an equidigital number, since it uses as much as digits as its factorization.

16215372261443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 47.

The spelling of 16215372261443 in words is "sixteen trillion, two hundred fifteen billion, three hundred seventy-two million, two hundred sixty-one thousand, four hundred forty-three".