1255511541 has 8 divisors (see below), whose sum is σ = 1705600800. Its totient is φ = 821214992.

The previous prime is 1255511503. The next prime is 1255511627. The reversal of 1255511541 is 1451155521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255511541 - 2¹⁸ = 1255249397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1255511499 and 1255511508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255511041) 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, 3947991 + ... + 3948308.

It is an arithmetic number, because the mean of its divisors is an integer number (213200100).

Almost surely, 2^1255511541 is an apocalyptic number.

It is an amenable number.

1255511541 is a deficient number, since it is larger than the sum of its proper divisors (450089259).

1255511541 is an equidigital number, since it uses as much as digits as its factorization.

1255511541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896355.

The product of its digits is 5000, while the sum is 30.

The square root of 1255511541 is about 35433.1982891751. The cubic root of 1255511541 is about 1078.7982577669.

The spelling of 1255511541 in words is "one billion, two hundred fifty-five million, five hundred eleven thousand, five hundred forty-one".