1353520255063 has 4 divisors (see below), whose sum is σ = 1353940475688. Its totient is φ = 1353100034440.

The previous prime is 1353520255049. The next prime is 1353520255091. The reversal of 1353520255063 is 3605520253531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353520255063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353520255663) 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, 210105481 + ... + 210111922.

It is an arithmetic number, because the mean of its divisors is an integer number (338485118922).

Almost surely, 2^{1353520255063} is an apocalyptic number.

1353520255063 is a deficient number, since it is larger than the sum of its proper divisors (420220625).

1353520255063 is an equidigital number, since it uses as much as digits as its factorization.

1353520255063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420220624.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 1353520255063 in words is "one trillion, three hundred fifty-three billion, five hundred twenty million, two hundred fifty-five thousand, sixty-three".