1078442167755 has 16 divisors (see below), whose sum is σ = 1772142806304. Its totient is φ = 559624043520.

The previous prime is 1078442167687. The next prime is 1078442167757. The reversal of 1078442167755 is 5577612448701.

It is not a de Polignac number, because 1078442167755 - 2¹⁰ = 1078442166731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1078442167695 and 1078442167704.

It is not an unprimeable number, because it can be changed into a prime (1078442167757) 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, 971568966 + ... + 971570075.

It is an arithmetic number, because the mean of its divisors is an integer number (110758925394).

Almost surely, 2^{1078442167755} is an apocalyptic number.

1078442167755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1078442167755 is a deficient number, since it is larger than the sum of its proper divisors (693700638549).

1078442167755 is a wasteful number, since it uses less digits than its factorization.

1078442167755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943139086.

The product of its (nonzero) digits is 13171200, while the sum is 57.

The spelling of 1078442167755 in words is "one trillion, seventy-eight billion, four hundred forty-two million, one hundred sixty-seven thousand, seven hundred fifty-five".