1355425341021 has 24 divisors (see below), whose sum is σ = 2117109930624. Its totient is φ = 832367998080.

The previous prime is 1355425341013. The next prime is 1355425341059. The reversal of 1355425341021 is 1201435245531.

1355425341021 is a `hidden beast` number, since 1 + 3 + 5 + 542 + 5 + 3 + 4 + 102 + 1 = 666.

It is not a de Polignac number, because 1355425341021 - 2³ = 1355425341013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355425341421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94237375 + ... + 94251756.

It is an arithmetic number, because the mean of its divisors is an integer number (88212913776).

Almost surely, 2^{1355425341021} is an apocalyptic number.

It is an amenable number.

1355425341021 is a deficient number, since it is larger than the sum of its proper divisors (761684589603).

1355425341021 is a wasteful number, since it uses less digits than its factorization.

1355425341021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188489201 (or 188489198 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1355425341021 in words is "one trillion, three hundred fifty-five billion, four hundred twenty-five million, three hundred forty-one thousand, twenty-one".