125486305456 has 20 divisors (see below), whose sum is σ = 243209761704. Its totient is φ = 62722496000.

The previous prime is 125486305433. The next prime is 125486305487. The reversal of 125486305456 is 654503684521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240870 + ... + 1338181.

Almost surely, 2^125486305456 is an apocalyptic number.

125486305456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125486305456 is a deficient number, since it is larger than the sum of its proper divisors (117723456248).

125486305456 is a wasteful number, since it uses less digits than its factorization.

125486305456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582100 (or 2582094 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

Adding to 125486305456 its reverse (654503684521), we get a palindrome (779989989977).

The spelling of 125486305456 in words is "one hundred twenty-five billion, four hundred eighty-six million, three hundred five thousand, four hundred fifty-six".