125502010145 has 32 divisors (see below), whose sum is σ = 171425548800. Its totient is φ = 87617396736.

The previous prime is 125502010129. The next prime is 125502010159. The reversal of 125502010145 is 541010205521.

It is a cyclic number.

It is not a de Polignac number, because 125502010145 - 2⁴ = 125502010129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750800 + ... + 902609.

It is an arithmetic number, because the mean of its divisors is an integer number (5357048400).

Almost surely, 2^125502010145 is an apocalyptic number.

It is an amenable number.

125502010145 is a deficient number, since it is larger than the sum of its proper divisors (45923538655).

125502010145 is a wasteful number, since it uses less digits than its factorization.

125502010145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653497.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 125502010145 its reverse (541010205521), we get a palindrome (666512215666).

The spelling of 125502010145 in words is "one hundred twenty-five billion, five hundred two million, ten thousand, one hundred forty-five".