1615132640503 has 2 divisors, whose sum is σ = 1615132640504. Its totient is φ = 1615132640502.

The previous prime is 1615132640491. The next prime is 1615132640519. The reversal of 1615132640503 is 3050462315161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1615132640503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1615132610503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807566320251 + 807566320252.

It is an arithmetic number, because the mean of its divisors is an integer number (807566320252).

Almost surely, 2^{1615132640503} is an apocalyptic number.

1615132640503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1615132640503 is an equidigital number, since it uses as much as digits as its factorization.

1615132640503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 1615132640503 its reverse (3050462315161), we get a palindrome (4665594955664).

The spelling of 1615132640503 in words is "one trillion, six hundred fifteen billion, one hundred thirty-two million, six hundred forty thousand, five hundred three".