40615505519 has 2 divisors, whose sum is σ = 40615505520. Its totient is φ = 40615505518.

The previous prime is 40615505503. The next prime is 40615505531. The reversal of 40615505519 is 91550551604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40615505519 - 2⁴ = 40615505503 is a prime.

It is a super-2 number, since 2×40615505519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40615505549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20307752759 + 20307752760.

It is an arithmetic number, because the mean of its divisors is an integer number (20307752760).

Almost surely, 2^40615505519 is an apocalyptic number.

40615505519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40615505519 is an equidigital number, since it uses as much as digits as its factorization.

40615505519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 40615505519 in words is "forty billion, six hundred fifteen million, five hundred five thousand, five hundred nineteen".