13540500254531 has 2 divisors, whose sum is σ = 13540500254532. Its totient is φ = 13540500254530.

The previous prime is 13540500254453. The next prime is 13540500254599. The reversal of 13540500254531 is 13545200504531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13540500254531 - 2³⁴ = 13523320385347 is a prime.

It is a super-2 number, since 2×13540500254531² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13540500254431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770250127265 + 6770250127266.

It is an arithmetic number, because the mean of its divisors is an integer number (6770250127266).

Almost surely, 2^{13540500254531} is an apocalyptic number.

13540500254531 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540500254531 is an equidigital number, since it uses as much as digits as its factorization.

13540500254531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 13540500254531 in words is "thirteen trillion, five hundred forty billion, five hundred million, two hundred fifty-four thousand, five hundred thirty-one".