125343838847 has 16 divisors (see below), whose sum is σ = 134067732480. Its totient is φ = 116774275968.

The previous prime is 125343838819. The next prime is 125343838849. The reversal of 125343838847 is 748838343521.

It is a cyclic number.

It is not a de Polignac number, because 125343838847 - 2¹² = 125343834751 is a prime.

It is a super-2 number, since 2×125343838847² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125343838792 and 125343838801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125343838849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881678 + ... + 1013924.

It is an arithmetic number, because the mean of its divisors is an integer number (8379233280).

Almost surely, 2^125343838847 is an apocalyptic number.

125343838847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125343838847 is a deficient number, since it is larger than the sum of its proper divisors (8723893633).

125343838847 is a wasteful number, since it uses less digits than its factorization.

125343838847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132830.

The product of its digits is 15482880, while the sum is 56.

The spelling of 125343838847 in words is "one hundred twenty-five billion, three hundred forty-three million, eight hundred thirty-eight thousand, eight hundred forty-seven".