10511511320003 has 2 divisors, whose sum is σ = 10511511320004. Its totient is φ = 10511511320002.

The previous prime is 10511511319973. The next prime is 10511511320021. The reversal of 10511511320003 is 30002311511501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10511511320003 - 2²⁶ = 10511444211139 is a prime.

It is a super-2 number, since 2×10511511320003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10511511320053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255755660001 + 5255755660002.

It is an arithmetic number, because the mean of its divisors is an integer number (5255755660002).

Almost surely, 2^{10511511320003} is an apocalyptic number.

10511511320003 is a deficient number, since it is larger than the sum of its proper divisors (1).

10511511320003 is an equidigital number, since it uses as much as digits as its factorization.

10511511320003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 10511511320003 its reverse (30002311511501), we get a palindrome (40513822831504).

The spelling of 10511511320003 in words is "ten trillion, five hundred eleven billion, five hundred eleven million, three hundred twenty thousand, three".