1356621254355 has 16 divisors (see below), whose sum is σ = 2183591579904. Its totient is φ = 719198811360.

The previous prime is 1356621254333. The next prime is 1356621254363. The reversal of 1356621254355 is 5534521266531.

It is not a de Polignac number, because 1356621254355 - 2⁷ = 1356621254227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270780181 + ... + 270785190.

It is an arithmetic number, because the mean of its divisors is an integer number (136474473744).

Almost surely, 2^{1356621254355} is an apocalyptic number.

1356621254355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1356621254355 is a deficient number, since it is larger than the sum of its proper divisors (826970325549).

1356621254355 is a wasteful number, since it uses less digits than its factorization.

1356621254355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541565546.

The product of its digits is 3240000, while the sum is 48.

The spelling of 1356621254355 in words is "one trillion, three hundred fifty-six billion, six hundred twenty-one million, two hundred fifty-four thousand, three hundred fifty-five".