515445087990083 has 2 divisors, whose sum is σ = 515445087990084. Its totient is φ = 515445087990082.

The previous prime is 515445087990043. The next prime is 515445087990089. The reversal of 515445087990083 is 380099780544515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 515445087990083 - 2¹² = 515445087985987 is a prime.

It is a super-2 number, since 2×515445087990083² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 515445087989995 and 515445087990022.

It is not a weakly prime, because it can be changed into another prime (515445087990089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257722543995041 + 257722543995042.

It is an arithmetic number, because the mean of its divisors is an integer number (257722543995042).

Almost surely, 2^{515445087990083} is an apocalyptic number.

515445087990083 is a deficient number, since it is larger than the sum of its proper divisors (1).

515445087990083 is an equidigital number, since it uses as much as digits as its factorization.

515445087990083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728000, while the sum is 68.

The spelling of 515445087990083 in words is "five hundred fifteen trillion, four hundred forty-five billion, eighty-seven million, nine hundred ninety thousand, eighty-three".