10511001161 has 4 divisors (see below), whose sum is σ = 10512464400. Its totient is φ = 10509537924.

The previous prime is 10511001157. The next prime is 10511001167. The reversal of 10511001161 is 16110011501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10511001161 - 2² = 10511001157 is a prime.

It is a super-2 number, since 2×10511001161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10511001167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720791 + ... + 735228.

It is an arithmetic number, because the mean of its divisors is an integer number (2628116100).

Almost surely, 2^10511001161 is an apocalyptic number.

It is an amenable number.

10511001161 is a deficient number, since it is larger than the sum of its proper divisors (1463239).

10511001161 is an equidigital number, since it uses as much as digits as its factorization.

10511001161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463238.

The product of its (nonzero) digits is 30, while the sum is 17.

Adding to 10511001161 its reverse (16110011501), we get a palindrome (26621012662).

The spelling of 10511001161 in words is "ten billion, five hundred eleven million, one thousand, one hundred sixty-one".