1355642612063 has 4 divisors (see below), whose sum is σ = 1362524046840. Its totient is φ = 1348761177288.

The previous prime is 1355642612047. The next prime is 1355642612081. The reversal of 1355642612063 is 3602162465531.

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

It is a cyclic number.

It is not a de Polignac number, because 1355642612063 - 2⁴ = 1355642612047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355642672063) 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, 3440717093 + ... + 3440717486.

It is an arithmetic number, because the mean of its divisors is an integer number (340631011710).

Almost surely, 2^{1355642612063} is an apocalyptic number.

1355642612063 is a deficient number, since it is larger than the sum of its proper divisors (6881434777).

1355642612063 is an equidigital number, since it uses as much as digits as its factorization.

1355642612063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6881434776.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1355642612063 in words is "one trillion, three hundred fifty-five billion, six hundred forty-two million, six hundred twelve thousand, sixty-three".