1355405579059 has 4 divisors (see below), whose sum is σ = 1549034947504. Its totient is φ = 1161776210616.

The previous prime is 1355405579023. The next prime is 1355405579071. The reversal of 1355405579059 is 9509755045531.

It is a happy number.

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

It is not a de Polignac number, because 1355405579059 - 2¹³ = 1355405570867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355405578994 and 1355405579012.

It is not an unprimeable number, because it can be changed into a prime (1355405579009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96814684212 + ... + 96814684225.

It is an arithmetic number, because the mean of its divisors is an integer number (387258736876).

Almost surely, 2^{1355405579059} is an apocalyptic number.

1355405579059 is a deficient number, since it is larger than the sum of its proper divisors (193629368445).

1355405579059 is an equidigital number, since it uses as much as digits as its factorization.

1355405579059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193629368444.

The product of its (nonzero) digits is 21262500, while the sum is 58.

The spelling of 1355405579059 in words is "one trillion, three hundred fifty-five billion, four hundred five million, five hundred seventy-nine thousand, fifty-nine".