10125540001 has 4 divisors (see below), whose sum is σ = 10160098452. Its totient is φ = 10090981552.

The previous prime is 10125539953. The next prime is 10125540011. The reversal of 10125540001 is 10004552101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5288198400 + 4837341601 = 72720^2 + 69551^2 .

It is a cyclic number.

It is not a de Polignac number, because 10125540001 - 2¹¹ = 10125537953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10125540011) 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, 17278786 + ... + 17279371.

It is an arithmetic number, because the mean of its divisors is an integer number (2540024613).

Almost surely, 2^10125540001 is an apocalyptic number.

It is an amenable number.

10125540001 is a deficient number, since it is larger than the sum of its proper divisors (34558451).

10125540001 is an equidigital number, since it uses as much as digits as its factorization.

10125540001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34558450.

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 10125540001 in words is "ten billion, one hundred twenty-five million, five hundred forty thousand, one".