125516011425 has 96 divisors (see below), whose sum is σ = 246219002880. Its totient is φ = 55202515200.

The previous prime is 125516011399. The next prime is 125516011427. The reversal of 125516011425 is 524110615521.

It is a happy number.

It is not a de Polignac number, because 125516011425 - 2⁷ = 125516011297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125516011427) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4294110 + ... + 4323240.

It is an arithmetic number, because the mean of its divisors is an integer number (2564781280).

Almost surely, 2^125516011425 is an apocalyptic number.

125516011425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125516011425 is a deficient number, since it is larger than the sum of its proper divisors (120702991455).

125516011425 is a wasteful number, since it uses less digits than its factorization.

125516011425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29463 (or 29458 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 125516011425 its reverse (524110615521), we get a palindrome (649626626946).

The spelling of 125516011425 in words is "one hundred twenty-five billion, five hundred sixteen million, eleven thousand, four hundred twenty-five".