1255411545 has 16 divisors (see below), whose sum is σ = 2009230272. Its totient is φ = 669362240.

The previous prime is 1255411543. The next prime is 1255411559. The reversal of 1255411545 is 5451145521.

It is a happy number.

It is not a de Polignac number, because 1255411545 - 2¹ = 1255411543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255411541) 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, 54475 + ... + 74015.

It is an arithmetic number, because the mean of its divisors is an integer number (125576892).

Almost surely, 2^1255411545 is an apocalyptic number.

1255411545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255411545 is a deficient number, since it is larger than the sum of its proper divisors (753818727).

1255411545 is a wasteful number, since it uses less digits than its factorization.

1255411545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23832.

The product of its digits is 20000, while the sum is 33.

The square root of 1255411545 is about 35431.7872114857. The cubic root of 1255411545 is about 1078.7696164864.

The spelling of 1255411545 in words is "one billion, two hundred fifty-five million, four hundred eleven thousand, five hundred forty-five".