10511001091 has 2 divisors, whose sum is σ = 10511001092. Its totient is φ = 10511001090.

The previous prime is 10511001037. The next prime is 10511001139. The reversal of 10511001091 is 19010011501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10511001091 - 2¹¹ = 10510999043 is a prime.

It is a super-2 number, since 2×10511001091² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10511061091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255500545 + 5255500546.

It is an arithmetic number, because the mean of its divisors is an integer number (5255500546).

Almost surely, 2^10511001091 is an apocalyptic number.

10511001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10511001091 is an equidigital number, since it uses as much as digits as its factorization.

10511001091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 19.

Adding to 10511001091 its reverse (19010011501), we get a palindrome (29521012592).

The spelling of 10511001091 in words is "ten billion, five hundred eleven million, one thousand, ninety-one".