1361538522487 has 8 divisors (see below), whose sum is σ = 1599569732880. Its totient is φ = 1142549808960.

The previous prime is 1361538522413. The next prime is 1361538522493. The reversal of 1361538522487 is 7842258351631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361538522487 - 2²³ = 1361530133879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361538522497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760624062 + ... + 4760624347.

It is an arithmetic number, because the mean of its divisors is an integer number (199946216610).

Almost surely, 2^{1361538522487} is an apocalyptic number.

1361538522487 is a deficient number, since it is larger than the sum of its proper divisors (238031210393).

1361538522487 is a wasteful number, since it uses less digits than its factorization.

1361538522487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521248433.

The product of its digits is 9676800, while the sum is 55.

The spelling of 1361538522487 in words is "one trillion, three hundred sixty-one billion, five hundred thirty-eight million, five hundred twenty-two thousand, four hundred eighty-seven".