125516141242 has 16 divisors (see below), whose sum is σ = 205779785472. Its totient is φ = 57161050560.

The previous prime is 125516141183. The next prime is 125516141249. The reversal of 125516141242 is 242141615521.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 125516141198 and 125516141207.

It is not an unprimeable number, because it can be changed into a prime (125516141249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59541708 + ... + 59543815.

It is an arithmetic number, because the mean of its divisors is an integer number (12861236592).

Almost surely, 2^125516141242 is an apocalyptic number.

125516141242 is a deficient number, since it is larger than the sum of its proper divisors (80263644230).

125516141242 is a wasteful number, since it uses less digits than its factorization.

125516141242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119085573.

The product of its digits is 19200, while the sum is 34.

Adding to 125516141242 its reverse (242141615521), we get a palindrome (367657756763).

The spelling of 125516141242 in words is "one hundred twenty-five billion, five hundred sixteen million, one hundred forty-one thousand, two hundred forty-two".