125410736505 has 16 divisors (see below), whose sum is σ = 206080346304. Its totient is φ = 65078003520.

The previous prime is 125410736489. The next prime is 125410736509. The reversal of 125410736505 is 505637014521.

It is not a de Polignac number, because 125410736505 - 2⁴ = 125410736489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125410736509) by changing a digit.

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, 112982091 + ... + 112983200.

It is an arithmetic number, because the mean of its divisors is an integer number (12880021644).

Almost surely, 2^125410736505 is an apocalyptic number.

125410736505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125410736505 is a deficient number, since it is larger than the sum of its proper divisors (80669609799).

125410736505 is a wasteful number, since it uses less digits than its factorization.

125410736505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225965336.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 125410736505 in words is "one hundred twenty-five billion, four hundred ten million, seven hundred thirty-six thousand, five hundred five".