10340521305 has 16 divisors (see below), whose sum is σ = 16631460864. Its totient is φ = 5486069120.

The previous prime is 10340521291. The next prime is 10340521327. The reversal of 10340521305 is 50312504301.

It is not a de Polignac number, because 10340521305 - 2⁸ = 10340521049 is a prime.

It is a super-3 number, since 3×10340521305³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1801764 + ... + 1807493.

It is an arithmetic number, because the mean of its divisors is an integer number (1039466304).

Almost surely, 2^10340521305 is an apocalyptic number.

10340521305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10340521305 is a deficient number, since it is larger than the sum of its proper divisors (6290939559).

10340521305 is a wasteful number, since it uses less digits than its factorization.

10340521305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609456.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 10340521305 in words is "ten billion, three hundred forty million, five hundred twenty-one thousand, three hundred five".