1355420513454 has 16 divisors (see below), whose sum is σ = 3098104030848. Its totient is φ = 387263003832.

The previous prime is 1355420513449. The next prime is 1355420513471. The reversal of 1355420513454 is 4543150245531.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 32271916987 = 1355420513454 / (1 + 3 + 5 + 5 + 4 + 2 + 0 + 5 + 1 + 3 + 4 + 5 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16135958452 + ... + 16135958535.

It is an arithmetic number, because the mean of its divisors is an integer number (193631501928).

Almost surely, 2^{1355420513454} is an apocalyptic number.

1355420513454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1355420513454 is an abundant number, since it is smaller than the sum of its proper divisors (1742683517394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355420513454 is a wasteful number, since it uses less digits than its factorization.

1355420513454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32271916999.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 1355420513454 its reverse (4543150245531), we get a palindrome (5898570758985).

The spelling of 1355420513454 in words is "one trillion, three hundred fifty-five billion, four hundred twenty million, five hundred thirteen thousand, four hundred fifty-four".