125863462451 has 2 divisors, whose sum is σ = 125863462452. Its totient is φ = 125863462450.

The previous prime is 125863462441. The next prime is 125863462453. The reversal of 125863462451 is 154264368521.

It is a strong prime.

It is an emirp because it is prime and its reverse (154264368521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125863462451 is a prime.

It is a super-2 number, since 2×125863462451² (a number of 23 digits) contains 22 as substring.

Together with 125863462453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125863462396 and 125863462405.

It is not a weakly prime, because it can be changed into another prime (125863462453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62931731225 + 62931731226.

It is an arithmetic number, because the mean of its divisors is an integer number (62931731226).

Almost surely, 2^125863462451 is an apocalyptic number.

125863462451 is a deficient number, since it is larger than the sum of its proper divisors (1).

125863462451 is an equidigital number, since it uses as much as digits as its factorization.

125863462451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 47.

The spelling of 125863462451 in words is "one hundred twenty-five billion, eight hundred sixty-three million, four hundred sixty-two thousand, four hundred fifty-one".