355242001281 has 8 divisors (see below), whose sum is σ = 478539053664. Its totient is φ = 234386474880.

The previous prime is 355242001277. The next prime is 355242001297. The reversal of 355242001281 is 182100242553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 355242001281 - 2² = 355242001277 is a prime.

It is a super-2 number, since 2×355242001281² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355242001241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610381155 + ... + 610381736.

It is an arithmetic number, because the mean of its divisors is an integer number (59817381708).

Almost surely, 2^355242001281 is an apocalyptic number.

It is an amenable number.

355242001281 is a deficient number, since it is larger than the sum of its proper divisors (123297052383).

355242001281 is a wasteful number, since it uses less digits than its factorization.

355242001281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220762991.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 355242001281 in words is "three hundred fifty-five billion, two hundred forty-two million, one thousand, two hundred eighty-one".