1356043120355 has 128 divisors (see below), whose sum is σ = 2181392640000. Its totient is φ = 800008151040.

The previous prime is 1356043120337. The next prime is 1356043120357. The reversal of 1356043120355 is 5530213406531.

It is not a de Polignac number, because 1356043120355 - 2⁸ = 1356043120099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1356043120357) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 636937931 + ... + 636940059.

It is an arithmetic number, because the mean of its divisors is an integer number (17042130000).

Almost surely, 2^{1356043120355} is an apocalyptic number.

1356043120355 is a deficient number, since it is larger than the sum of its proper divisors (825349519645).

1356043120355 is a wasteful number, since it uses less digits than its factorization.

1356043120355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 1356043120355 its reverse (5530213406531), we get a palindrome (6886256526886).

The spelling of 1356043120355 in words is "one trillion, three hundred fifty-six billion, forty-three million, one hundred twenty thousand, three hundred fifty-five".