10521312002345 has 8 divisors (see below), whose sum is σ = 12626777016000. Its totient is φ = 8416247859760.

The previous prime is 10521312002329. The next prime is 10521312002389. The reversal of 10521312002345 is 54320021312501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10521312002345 - 2⁴ = 10521312002329 is a prime.

It is a super-2 number, since 2×10521312002345² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 100160021 + ... + 100265010.

It is an arithmetic number, because the mean of its divisors is an integer number (1578347127000).

Almost surely, 2^{10521312002345} is an apocalyptic number.

It is an amenable number.

10521312002345 is a deficient number, since it is larger than the sum of its proper divisors (2105465013655).

10521312002345 is a wasteful number, since it uses less digits than its factorization.

10521312002345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200435535.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 10521312002345 its reverse (54320021312501), we get a palindrome (64841333314846).

The spelling of 10521312002345 in words is "ten trillion, five hundred twenty-one billion, three hundred twelve million, two thousand, three hundred forty-five".