10511111013 has 8 divisors (see below), whose sum is σ = 15092877408. Its totient is φ = 6468375984.

The previous prime is 10511111003. The next prime is 10511111063. The reversal of 10511111013 is 31011111501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10511111013 - 2¹⁰ = 10511109989 is a prime.

It is a super-2 number, since 2×10511111013² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10511110983 and 10511111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10511111003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134757795 + ... + 134757872.

It is an arithmetic number, because the mean of its divisors is an integer number (1886609676).

Almost surely, 2^10511111013 is an apocalyptic number.

10511111013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10511111013 is a deficient number, since it is larger than the sum of its proper divisors (4581766395).

10511111013 is a wasteful number, since it uses less digits than its factorization.

10511111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269515683.

The product of its (nonzero) digits is 15, while the sum is 15.

Adding to 10511111013 its reverse (31011111501), we get a palindrome (41522222514).

The spelling of 10511111013 in words is "ten billion, five hundred eleven million, one hundred eleven thousand, thirteen".