125516030451 has 32 divisors (see below), whose sum is σ = 191838366720. Its totient is φ = 71507753856.

The previous prime is 125516030429. The next prime is 125516030459. The reversal of 125516030451 is 154030615521.

It is not a de Polignac number, because 125516030451 - 2¹⁰ = 125516029427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125516030459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15087345 + ... + 15095661.

It is an arithmetic number, because the mean of its divisors is an integer number (5994948960).

Almost surely, 2^125516030451 is an apocalyptic number.

125516030451 is a deficient number, since it is larger than the sum of its proper divisors (66322336269).

125516030451 is a wasteful number, since it uses less digits than its factorization.

125516030451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 125516030451 its reverse (154030615521), we get a palindrome (279546645972).

The spelling of 125516030451 in words is "one hundred twenty-five billion, five hundred sixteen million, thirty thousand, four hundred fifty-one".