1355442204551 has 2 divisors, whose sum is σ = 1355442204552. Its totient is φ = 1355442204550.

The previous prime is 1355442204539. The next prime is 1355442204559. The reversal of 1355442204551 is 1554022445531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355442204551 - 2²⁶ = 1355375095687 is a prime.

It is a super-2 number, since 2×1355442204551² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355442204499 and 1355442204508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355442204559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677721102275 + 677721102276.

It is an arithmetic number, because the mean of its divisors is an integer number (677721102276).

Almost surely, 2^{1355442204551} is an apocalyptic number.

1355442204551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355442204551 is an equidigital number, since it uses as much as digits as its factorization.

1355442204551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 1355442204551 in words is "one trillion, three hundred fifty-five billion, four hundred forty-two million, two hundred four thousand, five hundred fifty-one".