125848533657 has 32 divisors (see below), whose sum is σ = 221508808704. Its totient is φ = 61530220800.

The previous prime is 125848533649. The next prime is 125848533667. The reversal of 125848533657 is 756335848521.

It is not a de Polignac number, because 125848533657 - 2³ = 125848533649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125848533597 and 125848533606.

It is not an unprimeable number, because it can be changed into a prime (125848533617) 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, 16019569 + ... + 16027422.

It is an arithmetic number, because the mean of its divisors is an integer number (6922150272).

Almost surely, 2^125848533657 is an apocalyptic number.

125848533657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

125848533657 is a deficient number, since it is larger than the sum of its proper divisors (95660275047).

125848533657 is a wasteful number, since it uses less digits than its factorization.

125848533657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32047029.

The product of its digits is 24192000, while the sum is 57.

The spelling of 125848533657 in words is "one hundred twenty-five billion, eight hundred forty-eight million, five hundred thirty-three thousand, six hundred fifty-seven".