1080444155 has 16 divisors (see below), whose sum is σ = 1532848320. Its totient is φ = 715327872.

The previous prime is 1080444121. The next prime is 1080444223. The reversal of 1080444155 is 5514440801.

It is not a de Polignac number, because 1080444155 - 2¹⁰ = 1080443131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531224 + ... + 533253.

It is an arithmetic number, because the mean of its divisors is an integer number (95803020).

Almost surely, 2^1080444155 is an apocalyptic number.

1080444155 is a deficient number, since it is larger than the sum of its proper divisors (452404165).

1080444155 is a wasteful number, since it uses less digits than its factorization.

1080444155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064518.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 1080444155 is about 32870.1103588047. The cubic root of 1080444155 is about 1026.1261958348.

Adding to 1080444155 its reverse (5514440801), we get a palindrome (6594884956).

The spelling of 1080444155 in words is "one billion, eighty million, four hundred forty-four thousand, one hundred fifty-five".