125142325015450 has 24 divisors (see below), whose sum is σ = 234463737129372. Its totient is φ = 49691550952320.

The previous prime is 125142325015403. The next prime is 125142325015511. The reversal of 125142325015450 is 54510523241521.

It can be written as a sum of positive squares in 6 ways, for example, as 71808998012361 + 53333327003089 = 8474019^2 + 7302967^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9134469429 + ... + 9134483128.

Almost surely, 2^{125142325015450} is an apocalyptic number.

125142325015450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125142325015450 is a deficient number, since it is larger than the sum of its proper divisors (109321412113922).

125142325015450 is a wasteful number, since it uses less digits than its factorization.

125142325015450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18268952706 (or 18268952701 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 125142325015450 its reverse (54510523241521), we get a palindrome (179652848256971).

The spelling of 125142325015450 in words is "one hundred twenty-five trillion, one hundred forty-two billion, three hundred twenty-five million, fifteen thousand, four hundred fifty".