10620521345 has 16 divisors (see below), whose sum is σ = 14571308928. Its totient is φ = 7279632000.

The previous prime is 10620521321. The next prime is 10620521347. The reversal of 10620521345 is 54312502601.

It is not a de Polignac number, because 10620521345 - 2¹⁶ = 10620455809 is a prime.

It is a super-2 number, since 2×10620521345² (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 (10620521347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24845 + ... + 147845.

It is an arithmetic number, because the mean of its divisors is an integer number (910706808).

Almost surely, 2^10620521345 is an apocalyptic number.

It is an amenable number.

10620521345 is a deficient number, since it is larger than the sum of its proper divisors (3950787583).

10620521345 is a wasteful number, since it uses less digits than its factorization.

10620521345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125480.

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

The spelling of 10620521345 in words is "ten billion, six hundred twenty million, five hundred twenty-one thousand, three hundred forty-five".