10511001010 has 16 divisors (see below), whose sum is σ = 18938350872. Its totient is φ = 4200278400.

The previous prime is 10511000987. The next prime is 10511001013. The reversal of 10511001010 is 1010011501.

It can be written as a sum of positive squares in 4 ways, for example, as 7248649321 + 3262351689 = 85139^2 + 57117^2 .

It is a super-2 number, since 2×10511001010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10511001013) 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, 504531 + ... + 524950.

Almost surely, 2^10511001010 is an apocalyptic number.

10511001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10511001010 is a deficient number, since it is larger than the sum of its proper divisors (8427349862).

10511001010 is a wasteful number, since it uses less digits than its factorization.

10511001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030509.

The product of its (nonzero) digits is 5, while the sum is 10.

Adding to 10511001010 its reverse (1010011501), we get a palindrome (11521012511).

The spelling of 10511001010 in words is "ten billion, five hundred eleven million, one thousand, ten".