125514451025 has 24 divisors (see below), whose sum is σ = 157113158400. Its totient is φ = 99460353600.

The previous prime is 125514450991. The next prime is 125514451039. The reversal of 125514451025 is 520154415521.

It is not a de Polignac number, because 125514451025 - 2¹² = 125514446929 is a prime.

It is a super-2 number, since 2×125514451025² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14904266 + ... + 14912684.

It is an arithmetic number, because the mean of its divisors is an integer number (6546381600).

Almost surely, 2^125514451025 is an apocalyptic number.

It is an amenable number.

125514451025 is a deficient number, since it is larger than the sum of its proper divisors (31598707375).

125514451025 is a wasteful number, since it uses less digits than its factorization.

125514451025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14009 (or 14004 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 125514451025 its reverse (520154415521), we get a palindrome (645668866546).

The spelling of 125514451025 in words is "one hundred twenty-five billion, five hundred fourteen million, four hundred fifty-one thousand, twenty-five".