10455013521 has 48 divisors (see below), whose sum is σ = 16357723200. Its totient is φ = 6666349248.

The previous prime is 10455013483. The next prime is 10455013589. The reversal of 10455013521 is 12531055401.

10455013521 is a `hidden beast` number, since 104 + 5 + 501 + 3 + 52 + 1 = 666.

10455013521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10455013521 - 2¹⁰ = 10455012497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10455013021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 520615 + ... + 540323.

It is an arithmetic number, because the mean of its divisors is an integer number (340785900).

Almost surely, 2^10455013521 is an apocalyptic number.

It is an amenable number.

10455013521 is a deficient number, since it is larger than the sum of its proper divisors (5902709679).

10455013521 is an equidigital number, since it uses as much as digits as its factorization.

10455013521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820 (or 19808 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 10455013521 its reverse (12531055401), we get a palindrome (22986068922).

The spelling of 10455013521 in words is "ten billion, four hundred fifty-five million, thirteen thousand, five hundred twenty-one".