10508995021 has 8 divisors (see below), whose sum is σ = 12532466304. Its totient is φ = 8616070320.

The previous prime is 10508994997. The next prime is 10508995037. The reversal of 10508995021 is 12059980501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10508995021 is a prime.

It is a super-2 number, since 2×10508995021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10508995061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32636470 + ... + 32636791.

It is an arithmetic number, because the mean of its divisors is an integer number (1566558288).

Almost surely, 2^10508995021 is an apocalyptic number.

It is an amenable number.

10508995021 is a deficient number, since it is larger than the sum of its proper divisors (2023471283).

10508995021 is an equidigital number, since it uses as much as digits as its factorization.

10508995021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65273291.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 10508995021 in words is "ten billion, five hundred eight million, nine hundred ninety-five thousand, twenty-one".