125285557847 has 2 divisors, whose sum is σ = 125285557848. Its totient is φ = 125285557846.

The previous prime is 125285557801. The next prime is 125285557861. The reversal of 125285557847 is 748755582521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125285557847 - 2¹² = 125285553751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125285557897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62642778923 + 62642778924.

It is an arithmetic number, because the mean of its divisors is an integer number (62642778924).

Almost surely, 2^125285557847 is an apocalyptic number.

125285557847 is a deficient number, since it is larger than the sum of its proper divisors (1).

125285557847 is an equidigital number, since it uses as much as digits as its factorization.

125285557847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360000, while the sum is 59.

The spelling of 125285557847 in words is "one hundred twenty-five billion, two hundred eighty-five million, five hundred fifty-seven thousand, eight hundred forty-seven".