125315053541 has 2 divisors, whose sum is σ = 125315053542. Its totient is φ = 125315053540.

The previous prime is 125315053519. The next prime is 125315053607. The reversal of 125315053541 is 145350513521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95803249441 + 29511804100 = 309521^2 + 171790^2 .

It is an emirp because it is prime and its reverse (145350513521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125315053541 - 2¹⁴ = 125315037157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125315050541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62657526770 + 62657526771.

It is an arithmetic number, because the mean of its divisors is an integer number (62657526771).

Almost surely, 2^125315053541 is an apocalyptic number.

It is an amenable number.

125315053541 is a deficient number, since it is larger than the sum of its proper divisors (1).

125315053541 is an equidigital number, since it uses as much as digits as its factorization.

125315053541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 125315053541 in words is "one hundred twenty-five billion, three hundred fifteen million, fifty-three thousand, five hundred forty-one".