10491525243 has 56 divisors (see below), whose sum is σ = 16172902400. Its totient is φ = 6800240304.

The previous prime is 10491525223. The next prime is 10491525263. The reversal of 10491525243 is 34252519401.

10491525243 is a `hidden beast` number, since 1 + 0 + 4 + 91 + 525 + 2 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (10491525223) and next prime (10491525263).

It is not a de Polignac number, because 10491525243 - 2²⁵ = 10457970811 is a prime.

It is a super-2 number, since 2×10491525243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10491525198 and 10491525207.

It is not an unprimeable number, because it can be changed into a prime (10491525223) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3857238 + ... + 3859956.

Almost surely, 2^10491525243 is an apocalyptic number.

10491525243 is a deficient number, since it is larger than the sum of its proper divisors (5681377157).

10491525243 is an frugal number, since it uses more digits than its factorization.

10491525243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 10491525243 in words is "ten billion, four hundred ninety-one million, five hundred twenty-five thousand, two hundred forty-three".