125456630051 has 12 divisors (see below), whose sum is σ = 133219512072. Its totient is φ = 118124430624.

The previous prime is 125456630011. The next prime is 125456630053. The reversal of 125456630051 is 150036654521.

It is a de Polignac number, because none of the positive numbers 2^k-125456630051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125456629987 and 125456630014.

It is not an unprimeable number, because it can be changed into a prime (125456630053) 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 in 11 ways as a sum of consecutive naturals, for example, 1007186 + ... + 1124871.

It is an arithmetic number, because the mean of its divisors is an integer number (11101626006).

Almost surely, 2^125456630051 is an apocalyptic number.

125456630051 is a deficient number, since it is larger than the sum of its proper divisors (7762882021).

125456630051 is a wasteful number, since it uses less digits than its factorization.

125456630051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132258 (or 2132239 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 125456630051 in words is "one hundred twenty-five billion, four hundred fifty-six million, six hundred thirty thousand, fifty-one".