125455542411442 has 32 divisors (see below), whose sum is σ = 191132363520000. Its totient is φ = 61750185768720.

The previous prime is 125455542411373. The next prime is 125455542411449. The reversal of 125455542411442 is 244114245554521.

It is not an unprimeable number, because it can be changed into a prime (125455542411449) 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, 1320551059 + ... + 1320646057.

It is an arithmetic number, because the mean of its divisors is an integer number (5972886360000).

Almost surely, 2^{125455542411442} is an apocalyptic number.

125455542411442 is a deficient number, since it is larger than the sum of its proper divisors (65676821108558).

125455542411442 is a wasteful number, since it uses less digits than its factorization.

125455542411442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123478.

The product of its digits is 5120000, while the sum is 49.

Adding to 125455542411442 its reverse (244114245554521), we get a palindrome (369569787965963).

The spelling of 125455542411442 in words is "one hundred twenty-five trillion, four hundred fifty-five billion, five hundred forty-two million, four hundred eleven thousand, four hundred forty-two".