1355420726601 has 16 divisors (see below), whose sum is σ = 1902798047040. Its totient is φ = 855851270400.

The previous prime is 1355420726581. The next prime is 1355420726717. The reversal of 1355420726601 is 1066270245531.

It is not a de Polignac number, because 1355420726601 - 2²¹ = 1355418629449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355420726501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2590740 + ... + 3069653.

It is an arithmetic number, because the mean of its divisors is an integer number (118924877940).

Almost surely, 2^{1355420726601} is an apocalyptic number.

It is an amenable number.

1355420726601 is a deficient number, since it is larger than the sum of its proper divisors (547377320439).

1355420726601 is a wasteful number, since it uses less digits than its factorization.

1355420726601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664616.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 1355420726601 in words is "one trillion, three hundred fifty-five billion, four hundred twenty million, seven hundred twenty-six thousand, six hundred one".