10512550403 has 4 divisors (see below), whose sum is σ = 10513175400. Its totient is φ = 10511925408.

The previous prime is 10512550393. The next prime is 10512550427. The reversal of 10512550403 is 30405521501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10512550403 - 2⁴ = 10512550387 is a prime.

It is a super-2 number, since 2×10512550403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10512550483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286550 + ... + 321147.

It is an arithmetic number, because the mean of its divisors is an integer number (2628293850).

Almost surely, 2^10512550403 is an apocalyptic number.

10512550403 is a deficient number, since it is larger than the sum of its proper divisors (624997).

10512550403 is an equidigital number, since it uses as much as digits as its factorization.

10512550403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624996.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 10512550403 in words is "ten billion, five hundred twelve million, five hundred fifty thousand, four hundred three".