10538157328 has 10 divisors (see below), whose sum is σ = 20417679854. Its totient is φ = 5269078656.

The previous prime is 10538157317. The next prime is 10538157349. The reversal of 10538157328 is 82375183501.

It can be written as a sum of positive squares in only one way, i.e., 10504610064 + 33547264 = 102492^2 + 5792^2 .

It is a super-2 number, since 2×10538157328² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329317401 + ... + 329317432.

Almost surely, 2^10538157328 is an apocalyptic number.

It is an amenable number.

10538157328 is a deficient number, since it is larger than the sum of its proper divisors (9879522526).

10538157328 is an equidigital number, since it uses as much as digits as its factorization.

10538157328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658634841 (or 658634835 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 10538157328 in words is "ten billion, five hundred thirty-eight million, one hundred fifty-seven thousand, three hundred twenty-eight".