10545540025 has 6 divisors (see below), whose sum is σ = 13076469662. Its totient is φ = 8436432000.

The previous prime is 10545540023. The next prime is 10545540059. The reversal of 10545540025 is 52004554501.

It can be written as a sum of positive squares in 3 ways, for example, as 720170896 + 9825369129 = 26836^2 + 99123^2 .

It is not a de Polignac number, because 10545540025 - 2¹ = 10545540023 is a prime.

It is a super-2 number, since 2×10545540025² (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 (10545540023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210910776 + ... + 210910825.

Almost surely, 2^10545540025 is an apocalyptic number.

It is an amenable number.

10545540025 is a deficient number, since it is larger than the sum of its proper divisors (2530929637).

10545540025 is an equidigital number, since it uses as much as digits as its factorization.

10545540025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421821611 (or 421821606 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 10545540025 in words is "ten billion, five hundred forty-five million, five hundred forty thousand, twenty-five".