1255550115411 has 24 divisors (see below), whose sum is σ = 1863651239840. Its totient is φ = 813945926016.

The previous prime is 1255550115403. The next prime is 1255550115439. The reversal of 1255550115411 is 1145110555521.

1255550115411 is a `hidden beast` number, since 1 + 2 + 5 + 55 + 50 + 11 + 541 + 1 = 666.

It is not a de Polignac number, because 1255550115411 - 2³ = 1255550115403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255550115481) 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, 491671 + ... + 1659168.

Almost surely, 2^{1255550115411} is an apocalyptic number.

1255550115411 is a deficient number, since it is larger than the sum of its proper divisors (608101124429).

1255550115411 is a wasteful number, since it uses less digits than its factorization.

1255550115411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152635 (or 2152632 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 36.

The spelling of 1255550115411 in words is "one trillion, two hundred fifty-five billion, five hundred fifty million, one hundred fifteen thousand, four hundred eleven".