125455515002201 has 8 divisors (see below), whose sum is σ = 125519306615784. Its totient is φ = 125391728519680.

The previous prime is 125455515002141. The next prime is 125455515002219. The reversal of 125455515002201 is 102200515554521.

It can be written as a sum of positive squares in 4 ways, for example, as 9332526025 + 125446182476176 = 96605^2 + 11200276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125455515002201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125455515002231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48113141 + ... + 50653581.

It is an arithmetic number, because the mean of its divisors is an integer number (15689913326973).

Almost surely, 2^{125455515002201} is an apocalyptic number.

It is an amenable number.

125455515002201 is a deficient number, since it is larger than the sum of its proper divisors (63791613583).

125455515002201 is a wasteful number, since it uses less digits than its factorization.

125455515002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565531.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 125455515002201 in words is "one hundred twenty-five trillion, four hundred fifty-five billion, five hundred fifteen million, two thousand, two hundred one".