10508042615621 has 4 divisors (see below), whose sum is σ = 10518234704544. Its totient is φ = 10497850526700.

The previous prime is 10508042615599. The next prime is 10508042615641. The reversal of 10508042615621 is 12651624080501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10508042615621 - 2¹⁴ = 10508042599237 is a prime.

It is a super-2 number, since 2×10508042615621² (a number of 27 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 (10508042615641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5096042915 + ... + 5096044976.

It is an arithmetic number, because the mean of its divisors is an integer number (2629558676136).

Almost surely, 2^{10508042615621} is an apocalyptic number.

It is an amenable number.

10508042615621 is a deficient number, since it is larger than the sum of its proper divisors (10192088923).

10508042615621 is a wasteful number, since it uses less digits than its factorization.

10508042615621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192088922.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 10508042615621 in words is "ten trillion, five hundred eight billion, forty-two million, six hundred fifteen thousand, six hundred twenty-one".