10513443451 has 16 divisors (see below), whose sum is σ = 13197657600. Its totient is φ = 8166045888.

The previous prime is 10513443449. The next prime is 10513443481. The reversal of 10513443451 is 15434431501.

It is not a de Polignac number, because 10513443451 - 2¹ = 10513443449 is a prime.

It is a super-2 number, since 2×10513443451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10513443481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1715386 + ... + 1721503.

It is an arithmetic number, because the mean of its divisors is an integer number (824853600).

Almost surely, 2^10513443451 is an apocalyptic number.

10513443451 is a deficient number, since it is larger than the sum of its proper divisors (2684214149).

10513443451 is a wasteful number, since it uses less digits than its factorization.

10513443451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436938.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 10513443451 its reverse (15434431501), we get a palindrome (25947874952).

The spelling of 10513443451 in words is "ten billion, five hundred thirteen million, four hundred forty-three thousand, four hundred fifty-one".