16056143563451 has 2 divisors, whose sum is σ = 16056143563452. Its totient is φ = 16056143563450.

The previous prime is 16056143563409. The next prime is 16056143563459. The reversal of 16056143563451 is 15436534165061.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15436534165061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16056143563451 - 2²² = 16056139369147 is a prime.

It is a super-2 number, since 2×16056143563451² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16056143563451.

It is not a weakly prime, because it can be changed into another prime (16056143563459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8028071781725 + 8028071781726.

It is an arithmetic number, because the mean of its divisors is an integer number (8028071781726).

Almost surely, 2^{16056143563451} is an apocalyptic number.

16056143563451 is a deficient number, since it is larger than the sum of its proper divisors (1).

16056143563451 is an equidigital number, since it uses as much as digits as its factorization.

16056143563451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 16056143563451 in words is "sixteen trillion, fifty-six billion, one hundred forty-three million, five hundred sixty-three thousand, four hundred fifty-one".