10551621063 has 16 divisors (see below), whose sum is σ = 15287014400. Its totient is φ = 6449207040.

The previous prime is 10551621061. The next prime is 10551621071. The reversal of 10551621063 is 36012615501.

It is not a de Polignac number, because 10551621063 - 2¹ = 10551621061 is a prime.

It is a super-2 number, since 2×10551621063² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10551621063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551621061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2983978 + ... + 2987511.

It is an arithmetic number, because the mean of its divisors is an integer number (955438400).

Almost surely, 2^10551621063 is an apocalyptic number.

10551621063 is a deficient number, since it is larger than the sum of its proper divisors (4735393337).

10551621063 is a wasteful number, since it uses less digits than its factorization.

10551621063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971542.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 10551621063 in words is "ten billion, five hundred fifty-one million, six hundred twenty-one thousand, sixty-three".