10551131641 has 4 divisors (see below), whose sum is σ = 10659906292. Its totient is φ = 10442356992.

The previous prime is 10551131621. The next prime is 10551131671. The reversal of 10551131641 is 14613115501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14613115501 = 89 ⋅164192309.

It can be written as a sum of positive squares in 2 ways, for example, as 4432763241 + 6118368400 = 66579^2 + 78220^2 .

It is a cyclic number.

It is not a de Polignac number, because 10551131641 - 2¹⁷ = 10551000569 is a prime.

It is a super-2 number, since 2×10551131641² (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 (10551131611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54387180 + ... + 54387373.

It is an arithmetic number, because the mean of its divisors is an integer number (2664976573).

Almost surely, 2^10551131641 is an apocalyptic number.

It is an amenable number.

10551131641 is a deficient number, since it is larger than the sum of its proper divisors (108774651).

10551131641 is an equidigital number, since it uses as much as digits as its factorization.

10551131641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108774650.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 10551131641 in words is "ten billion, five hundred fifty-one million, one hundred thirty-one thousand, six hundred forty-one".