125500121422411 has 16 divisors (see below), whose sum is σ = 130273787856384. Its totient is φ = 120819467175264.

The previous prime is 125500121422409. The next prime is 125500121422421. The reversal of 125500121422411 is 114224121005521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125500121422411 - 2¹ = 125500121422409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125500121422421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27024900 + ... + 31326433.

It is an arithmetic number, because the mean of its divisors is an integer number (8142111741024).

Almost surely, 2^{125500121422411} is an apocalyptic number.

125500121422411 is a deficient number, since it is larger than the sum of its proper divisors (4773666433973).

125500121422411 is an equidigital number, since it uses as much as digits as its factorization.

125500121422411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58352130.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 125500121422411 its reverse (114224121005521), we get a palindrome (239724242427932).

The spelling of 125500121422411 in words is "one hundred twenty-five trillion, five hundred billion, one hundred twenty-one million, four hundred twenty-two thousand, four hundred eleven".