125546052329 has 2 divisors, whose sum is σ = 125546052330. Its totient is φ = 125546052328.

The previous prime is 125546052287. The next prime is 125546052349. The reversal of 125546052329 is 923250645521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119475305104 + 6070747225 = 345652^2 + 77915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125546052329 is a prime.

It is a super-2 number, since 2×125546052329² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125546052329.

It is not a weakly prime, because it can be changed into another prime (125546052349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62773026164 + 62773026165.

It is an arithmetic number, because the mean of its divisors is an integer number (62773026165).

Almost surely, 2^125546052329 is an apocalyptic number.

It is an amenable number.

125546052329 is a deficient number, since it is larger than the sum of its proper divisors (1).

125546052329 is an equidigital number, since it uses as much as digits as its factorization.

125546052329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 125546052329 in words is "one hundred twenty-five billion, five hundred forty-six million, fifty-two thousand, three hundred twenty-nine".