1500139012487 has 2 divisors, whose sum is σ = 1500139012488. Its totient is φ = 1500139012486.

The previous prime is 1500139012483. The next prime is 1500139012499. The reversal of 1500139012487 is 7842109310051.

It is a weak prime.

It is an emirp because it is prime and its reverse (7842109310051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1500139012487 - 2² = 1500139012483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500139012483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750069506243 + 750069506244.

It is an arithmetic number, because the mean of its divisors is an integer number (750069506244).

Almost surely, 2^{1500139012487} is an apocalyptic number.

1500139012487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500139012487 is an equidigital number, since it uses as much as digits as its factorization.

1500139012487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 1500139012487 in words is "one trillion, five hundred billion, one hundred thirty-nine million, twelve thousand, four hundred eighty-seven".