10651064512621 has 8 divisors (see below), whose sum is σ = 11658416138264. Its totient is φ = 9670575597120.

The previous prime is 10651064512619. The next prime is 10651064512633. The reversal of 10651064512621 is 12621546015601.

It can be written as a sum of positive squares in 4 ways, for example, as 1250181153225 + 9400883359396 = 1118115^2 + 3066086^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10651064512621 - 2¹ = 10651064512619 is a prime.

It is a super-2 number, since 2×10651064512621² (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 (10651064512651) 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, 6715676706 + ... + 6715678291.

It is an arithmetic number, because the mean of its divisors is an integer number (1457302017283).

Almost surely, 2^{10651064512621} is an apocalyptic number.

It is an amenable number.

10651064512621 is a deficient number, since it is larger than the sum of its proper divisors (1007351625643).

10651064512621 is a wasteful number, since it uses less digits than its factorization.

10651064512621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431355071.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 10651064512621 in words is "ten trillion, six hundred fifty-one billion, sixty-four million, five hundred twelve thousand, six hundred twenty-one".