125153515349 has 2 divisors, whose sum is σ = 125153515350. Its totient is φ = 125153515348.

The previous prime is 125153515339. The next prime is 125153515423. The reversal of 125153515349 is 943515351521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119728456324 + 5425059025 = 346018^2 + 73655^2 .

It is a cyclic number.

It is not a de Polignac number, because 125153515349 - 2²⁰ = 125152466773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125153515309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62576757674 + 62576757675.

It is an arithmetic number, because the mean of its divisors is an integer number (62576757675).

Almost surely, 2^125153515349 is an apocalyptic number.

It is an amenable number.

125153515349 is a deficient number, since it is larger than the sum of its proper divisors (1).

125153515349 is an equidigital number, since it uses as much as digits as its factorization.

125153515349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 405000, while the sum is 44.

The spelling of 125153515349 in words is "one hundred twenty-five billion, one hundred fifty-three million, five hundred fifteen thousand, three hundred forty-nine".