215992562503 has 2 divisors, whose sum is σ = 215992562504. Its totient is φ = 215992562502.

The previous prime is 215992562483. The next prime is 215992562531. The reversal of 215992562503 is 305265299512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215992562503 is a prime.

It is a super-2 number, since 2×215992562503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215992562003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107996281251 + 107996281252.

It is an arithmetic number, because the mean of its divisors is an integer number (107996281252).

Almost surely, 2^215992562503 is an apocalyptic number.

215992562503 is a deficient number, since it is larger than the sum of its proper divisors (1).

215992562503 is an equidigital number, since it uses as much as digits as its factorization.

215992562503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 215992562503 in words is "two hundred fifteen billion, nine hundred ninety-two million, five hundred sixty-two thousand, five hundred three".