1255555441 has 16 divisors (see below), whose sum is σ = 1511322624. Its totient is φ = 1019764944.

The previous prime is 1255555439. The next prime is 1255555501. The reversal of 1255555441 is 1445555521.

It is a cyclic number.

It is not a de Polignac number, because 1255555441 - 2¹ = 1255555439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255555441.

It is not an unprimeable number, because it can be changed into a prime (1255555141) 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, 19215 + ... + 53668.

It is an arithmetic number, because the mean of its divisors is an integer number (94457664).

Almost surely, 2^1255555441 is an apocalyptic number.

It is an amenable number.

1255555441 is a deficient number, since it is larger than the sum of its proper divisors (255767183).

1255555441 is a wasteful number, since it uses less digits than its factorization.

1255555441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73020.

The product of its digits is 100000, while the sum is 37.

The square root of 1255555441 is about 35433.8177593101. The cubic root of 1255555441 is about 1078.8108313117.

The spelling of 1255555441 in words is "one billion, two hundred fifty-five million, five hundred fifty-five thousand, four hundred forty-one".