10521652187 has 2 divisors, whose sum is σ = 10521652188. Its totient is φ = 10521652186.

The previous prime is 10521652181. The next prime is 10521652237. The reversal of 10521652187 is 78125612501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10521652187 - 2²⁸ = 10253216731 is a prime.

It is a super-2 number, since 2×10521652187² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 10521652187.

It is not a weakly prime, because it can be changed into another prime (10521652181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260826093 + 5260826094.

It is an arithmetic number, because the mean of its divisors is an integer number (5260826094).

Almost surely, 2^10521652187 is an apocalyptic number.

10521652187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521652187 is an equidigital number, since it uses as much as digits as its factorization.

10521652187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 10521652187 in words is "ten billion, five hundred twenty-one million, six hundred fifty-two thousand, one hundred eighty-seven".