125053055445155 has 16 divisors (see below), whose sum is σ = 155333106976320. Its totient is φ = 96533698783872.

The previous prime is 125053055445151. The next prime is 125053055445193. The reversal of 125053055445155 is 551544550350521.

It is a cyclic number.

It is not a de Polignac number, because 125053055445155 - 2² = 125053055445151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125053055445151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263181959 + ... + 263656688.

It is an arithmetic number, because the mean of its divisors is an integer number (9708319186020).

Almost surely, 2^{125053055445155} is an apocalyptic number.

125053055445155 is a deficient number, since it is larger than the sum of its proper divisors (30280051531165).

125053055445155 is a wasteful number, since it uses less digits than its factorization.

125053055445155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526840318.

The product of its (nonzero) digits is 7500000, while the sum is 50.

The spelling of 125053055445155 in words is "one hundred twenty-five trillion, fifty-three billion, fifty-five million, four hundred forty-five thousand, one hundred fifty-five".