10511211146 has 16 divisors (see below), whose sum is σ = 16698665160. Its totient is φ = 4945152000.

The previous prime is 10511211131. The next prime is 10511211149. The reversal of 10511211146 is 64111211501.

It can be written as a sum of positive squares in 4 ways, for example, as 8322000625 + 2189210521 = 91225^2 + 46789^2 .

It is a super-2 number, since 2×10511211146² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10511211149) 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, 97400 + ... + 174668.

Almost surely, 2^10511211146 is an apocalyptic number.

10511211146 is a deficient number, since it is larger than the sum of its proper divisors (6187454014).

10511211146 is a wasteful number, since it uses less digits than its factorization.

10511211146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81289.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 10511211146 its reverse (64111211501), we get a palindrome (74622422647).

The spelling of 10511211146 in words is "ten billion, five hundred eleven million, two hundred eleven thousand, one hundred forty-six".