125156463251 has 2 divisors, whose sum is σ = 125156463252. Its totient is φ = 125156463250.

The previous prime is 125156463241. The next prime is 125156463307. The reversal of 125156463251 is 152364651521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125156463251 - 2²² = 125152268947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125156463199 and 125156463208.

It is not a weakly prime, because it can be changed into another prime (125156463221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62578231625 + 62578231626.

It is an arithmetic number, because the mean of its divisors is an integer number (62578231626).

Almost surely, 2^125156463251 is an apocalyptic number.

125156463251 is a deficient number, since it is larger than the sum of its proper divisors (1).

125156463251 is an equidigital number, since it uses as much as digits as its factorization.

125156463251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The spelling of 125156463251 in words is "one hundred twenty-five billion, one hundred fifty-six million, four hundred sixty-three thousand, two hundred fifty-one".