10521652252 has 12 divisors (see below), whose sum is σ = 18414459000. Its totient is φ = 5260378256.

The previous prime is 10521652237. The next prime is 10521652303. The reversal of 10521652252 is 25225612501.

It is a happy number.

It is a super-2 number, since 2×10521652252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56002 + ... + 155497.

It is an arithmetic number, because the mean of its divisors is an integer number (1534538250).

Almost surely, 2^10521652252 is an apocalyptic number.

It is an amenable number.

10521652252 is a deficient number, since it is larger than the sum of its proper divisors (7892806748).

10521652252 is a wasteful number, since it uses less digits than its factorization.

10521652252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223940 (or 223938 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 10521652252 in words is "ten billion, five hundred twenty-one million, six hundred fifty-two thousand, two hundred fifty-two".