10612521503 has 4 divisors (see below), whose sum is σ = 10612727640. Its totient is φ = 10612315368.

The previous prime is 10612521487. The next prime is 10612521529. The reversal of 10612521503 is 30512521601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30512521601 = 5021 ⋅6076981.

It is a cyclic number.

It is not a de Polignac number, because 10612521503 - 2⁴ = 10612521487 is a prime.

It is a super-2 number, since 2×10612521503² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10612521593) 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, 46676 + ... + 152982.

It is an arithmetic number, because the mean of its divisors is an integer number (2653181910).

Almost surely, 2^10612521503 is an apocalyptic number.

10612521503 is a deficient number, since it is larger than the sum of its proper divisors (206137).

10612521503 is an equidigital number, since it uses as much as digits as its factorization.

10612521503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206136.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 10612521503 in words is "ten billion, six hundred twelve million, five hundred twenty-one thousand, five hundred three".