1081650255 has 24 divisors (see below), whose sum is σ = 2013195312. Its totient is φ = 494468352.

The previous prime is 1081650247. The next prime is 1081650257. The reversal of 1081650255 is 5520561801.

It is not a de Polignac number, because 1081650255 - 2³ = 1081650247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081650257) 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, 735082 + ... + 736551.

It is an arithmetic number, because the mean of its divisors is an integer number (83883138).

Almost surely, 2^1081650255 is an apocalyptic number.

1081650255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1081650255 is a deficient number, since it is larger than the sum of its proper divisors (931545057).

1081650255 is a wasteful number, since it uses less digits than its factorization.

1081650255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471655 (or 1471648 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 1081650255 is about 32888.4516966062. The cubic root of 1081650255 is about 1026.5078754645.

The spelling of 1081650255 in words is "one billion, eighty-one million, six hundred fifty thousand, two hundred fifty-five".