10503121552 has 40 divisors (see below), whose sum is σ = 25371179712. Its totient is φ = 4092124800.

The previous prime is 10503121529. The next prime is 10503121553. The reversal of 10503121552 is 25512130501.

It is a super-2 number, since 2×10503121552² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10503121553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261399 + ... + 4263862.

Almost surely, 2^10503121552 is an apocalyptic number.

It is an amenable number.

10503121552 is an abundant number, since it is smaller than the sum of its proper divisors (14868058160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10503121552 is a wasteful number, since it uses less digits than its factorization.

10503121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8525287 (or 8525281 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 10503121552 in words is "ten billion, five hundred three million, one hundred twenty-one thousand, five hundred fifty-two".