1355479359855 has 16 divisors (see below), whose sum is σ = 2189822968320. Its totient is φ = 715903661088.

The previous prime is 1355479359799. The next prime is 1355479359859. The reversal of 1355479359855 is 5589539745531.

It is not a de Polignac number, because 1355479359855 - 2¹³ = 1355479351663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355479359855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355479359859) 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, 438664915 + ... + 438668004.

It is an arithmetic number, because the mean of its divisors is an integer number (136863935520).

Almost surely, 2^{1355479359855} is an apocalyptic number.

1355479359855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355479359855 is a deficient number, since it is larger than the sum of its proper divisors (834343608465).

1355479359855 is a wasteful number, since it uses less digits than its factorization.

1355479359855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877333030.

The product of its digits is 510300000, while the sum is 69.

The spelling of 1355479359855 in words is "one trillion, three hundred fifty-five billion, four hundred seventy-nine million, three hundred fifty-nine thousand, eight hundred fifty-five".