10521353345 has 16 divisors (see below), whose sum is σ = 13099097088. Its totient is φ = 8104192320.

The previous prime is 10521353333. The next prime is 10521353347. The reversal of 10521353345 is 54335312501.

It is not a de Polignac number, because 10521353345 - 2⁶ = 10521353281 is a prime.

It is a super-2 number, since 2×10521353345² (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 (10521353347) 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, 141749 + ... + 202818.

It is an arithmetic number, because the mean of its divisors is an integer number (818693568).

Almost surely, 2^10521353345 is an apocalyptic number.

It is an amenable number.

10521353345 is a deficient number, since it is larger than the sum of its proper divisors (2577743743).

10521353345 is a wasteful number, since it uses less digits than its factorization.

10521353345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344800.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 10521353345 its reverse (54335312501), we get a palindrome (64856665846).

The spelling of 10521353345 in words is "ten billion, five hundred twenty-one million, three hundred fifty-three thousand, three hundred forty-five".