125154351871 has 2 divisors, whose sum is σ = 125154351872. Its totient is φ = 125154351870.

The previous prime is 125154351841. The next prime is 125154351941. The reversal of 125154351871 is 178153451521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125154351871 - 2¹³ = 125154343679 is a prime.

It is a super-2 number, since 2×125154351871² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125154351821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62577175935 + 62577175936.

It is an arithmetic number, because the mean of its divisors is an integer number (62577175936).

Almost surely, 2^125154351871 is an apocalyptic number.

125154351871 is a deficient number, since it is larger than the sum of its proper divisors (1).

125154351871 is an equidigital number, since it uses as much as digits as its factorization.

125154351871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 43.

The spelling of 125154351871 in words is "one hundred twenty-five billion, one hundred fifty-four million, three hundred fifty-one thousand, eight hundred seventy-one".