10521634014553 has 8 divisors (see below), whose sum is σ = 10720231691400. Its totient is φ = 10323039163008.

The previous prime is 10521634014527. The next prime is 10521634014653. The reversal of 10521634014553 is 35541043612501.

It can be written as a sum of positive squares in 4 ways, for example, as 2457329002569 + 8064305011984 = 1567587^2 + 2839772^2 .

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-10521634014553 is a prime.

It is a super-2 number, since 2×10521634014553² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10521634014653) 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, 7761093 + ... + 9015421.

It is an arithmetic number, because the mean of its divisors is an integer number (1340028961425).

Almost surely, 2^{10521634014553} is an apocalyptic number.

It is an amenable number.

10521634014553 is a deficient number, since it is larger than the sum of its proper divisors (198597676847).

10521634014553 is a wasteful number, since it uses less digits than its factorization.

10521634014553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412651.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 10521634014553 in words is "ten trillion, five hundred twenty-one billion, six hundred thirty-four million, fourteen thousand, five hundred fifty-three".