125801761445 has 16 divisors (see below), whose sum is σ = 156822220800. Its totient is φ = 96803817600.

The previous prime is 125801761427. The next prime is 125801761453. The reversal of 125801761445 is 544167108521.

It is not a de Polignac number, because 125801761445 - 2¹² = 125801757349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125801761396 and 125801761405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4307045 + ... + 4336154.

It is an arithmetic number, because the mean of its divisors is an integer number (9801388800).

Almost surely, 2^125801761445 is an apocalyptic number.

It is an amenable number.

125801761445 is a deficient number, since it is larger than the sum of its proper divisors (31020459355).

125801761445 is an equidigital number, since it uses as much as digits as its factorization.

125801761445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8643316.

The product of its (nonzero) digits is 268800, while the sum is 44.

Adding to 125801761445 its reverse (544167108521), we get a palindrome (669968869966).

The spelling of 125801761445 in words is "one hundred twenty-five billion, eight hundred one million, seven hundred sixty-one thousand, four hundred forty-five".