125516343102 has 32 divisors (see below), whose sum is σ = 257180392224. Its totient is φ = 40814361600.

The previous prime is 125516343097. The next prime is 125516343157. The reversal of 125516343102 is 201343615521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3579318 + ... + 3614214.

It is an arithmetic number, because the mean of its divisors is an integer number (8036887257).

Almost surely, 2^125516343102 is an apocalyptic number.

125516343102 is an abundant number, since it is smaller than the sum of its proper divisors (131664049122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125516343102 is a wasteful number, since it uses less digits than its factorization.

125516343102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49564.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 125516343102 its reverse (201343615521), we get a palindrome (326859958623).

The spelling of 125516343102 in words is "one hundred twenty-five billion, five hundred sixteen million, three hundred forty-three thousand, one hundred two".