10525203645 has 32 divisors (see below), whose sum is σ = 18379768320. Its totient is φ = 5100767040.

The previous prime is 10525203617. The next prime is 10525203649. The reversal of 10525203645 is 54630252501.

It is not a de Polignac number, because 10525203645 - 2⁹ = 10525203133 is a prime.

It is a super-2 number, since 2×10525203645² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10525203649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373666 + ... + 400844.

It is an arithmetic number, because the mean of its divisors is an integer number (574367760).

Almost surely, 2^10525203645 is an apocalyptic number.

10525203645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10525203645 is a deficient number, since it is larger than the sum of its proper divisors (7854564675).

10525203645 is a wasteful number, since it uses less digits than its factorization.

10525203645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29545.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 10525203645 in words is "ten billion, five hundred twenty-five million, two hundred three thousand, six hundred forty-five".