13530051287 has 2 divisors, whose sum is σ = 13530051288. Its totient is φ = 13530051286.

The previous prime is 13530051253. The next prime is 13530051391. The reversal of 13530051287 is 78215003531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13530051287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530054287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765025643 + 6765025644.

It is an arithmetic number, because the mean of its divisors is an integer number (6765025644).

Almost surely, 2^13530051287 is an apocalyptic number.

13530051287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530051287 is an equidigital number, since it uses as much as digits as its factorization.

13530051287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 13530051287 in words is "thirteen billion, five hundred thirty million, fifty-one thousand, two hundred eighty-seven".