1155426170055 has 8 divisors (see below), whose sum is σ = 1848681872112. Its totient is φ = 616227290688.

The previous prime is 1155426170011. The next prime is 1155426170069. The reversal of 1155426170055 is 5500716245511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1155426170055 - 2³¹ = 1153278686407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155426169989 and 1155426170016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38514205654 + ... + 38514205683.

It is an arithmetic number, because the mean of its divisors is an integer number (231085234014).

Almost surely, 2^{1155426170055} is an apocalyptic number.

1155426170055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155426170055 is a deficient number, since it is larger than the sum of its proper divisors (693255702057).

1155426170055 is an equidigital number, since it uses as much as digits as its factorization.

1155426170055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77028411345.

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 1155426170055 in words is "one trillion, one hundred fifty-five billion, four hundred twenty-six million, one hundred seventy thousand, fifty-five".