1255105050425 has 24 divisors (see below), whose sum is σ = 1589744416512. Its totient is φ = 982534608000.

The previous prime is 1255105050401. The next prime is 1255105050427. The reversal of 1255105050425 is 5240505015521.

It is not a de Polignac number, because 1255105050425 - 2⁶ = 1255105050361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255105050427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6283085 + ... + 6479765.

It is an arithmetic number, because the mean of its divisors is an integer number (66239350688).

Almost surely, 2^{1255105050425} is an apocalyptic number.

It is an amenable number.

1255105050425 is a deficient number, since it is larger than the sum of its proper divisors (334639366087).

1255105050425 is a wasteful number, since it uses less digits than its factorization.

1255105050425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202169 (or 202164 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 1255105050425 in words is "one trillion, two hundred fifty-five billion, one hundred five million, fifty thousand, four hundred twenty-five".