125332019951 has 4 divisors (see below), whose sum is σ = 125333135304. Its totient is φ = 125330904600.

The previous prime is 125332019941. The next prime is 125332019983. The reversal of 125332019951 is 159910233521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125332019951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125332019899 and 125332019908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125332019941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367505 + ... + 621066.

It is an arithmetic number, because the mean of its divisors is an integer number (31333283826).

Almost surely, 2^125332019951 is an apocalyptic number.

125332019951 is a deficient number, since it is larger than the sum of its proper divisors (1115353).

125332019951 is an equidigital number, since it uses as much as digits as its factorization.

125332019951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115352.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 125332019951 in words is "one hundred twenty-five billion, three hundred thirty-two million, nineteen thousand, nine hundred fifty-one".