1078581755 has 4 divisors (see below), whose sum is σ = 1294298112. Its totient is φ = 862865400.

The previous prime is 1078581743. The next prime is 1078581781. The reversal of 1078581755 is 5571858701.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1078581755 - 2⁴ = 1078581739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107858171 + ... + 107858180.

It is an arithmetic number, because the mean of its divisors is an integer number (323574528).

Almost surely, 2^1078581755 is an apocalyptic number.

1078581755 is a deficient number, since it is larger than the sum of its proper divisors (215716357).

1078581755 is an equidigital number, since it uses as much as digits as its factorization.

1078581755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215716356.

The product of its (nonzero) digits is 392000, while the sum is 47.

The square root of 1078581755 is about 32841.7684511660. The cubic root of 1078581755 is about 1025.5362666766.

The spelling of 1078581755 in words is "one billion, seventy-eight million, five hundred eighty-one thousand, seven hundred fifty-five".