26006215453 has 2 divisors, whose sum is σ = 26006215454. Its totient is φ = 26006215452.

The previous prime is 26006215441. The next prime is 26006215507. The reversal of 26006215453 is 35451260062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14799452409 + 11206763044 = 121653^2 + 105862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26006215453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26006215853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13003107726 + 13003107727.

It is an arithmetic number, because the mean of its divisors is an integer number (13003107727).

Almost surely, 2^26006215453 is an apocalyptic number.

It is an amenable number.

26006215453 is a deficient number, since it is larger than the sum of its proper divisors (1).

26006215453 is an equidigital number, since it uses as much as digits as its factorization.

26006215453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 26006215453 in words is "twenty-six billion, six million, two hundred fifteen thousand, four hundred fifty-three".