355420513425 has 24 divisors (see below), whose sum is σ = 622194971616. Its totient is φ = 178407159040.

The previous prime is 355420513411. The next prime is 355420513433. The reversal of 355420513425 is 524315024553.

It is not a de Polignac number, because 355420513425 - 2⁹ = 355420512913 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139379319 + ... + 139381868.

It is an arithmetic number, because the mean of its divisors is an integer number (25924790484).

Almost surely, 2^355420513425 is an apocalyptic number.

It is an amenable number.

355420513425 is a deficient number, since it is larger than the sum of its proper divisors (266774458191).

355420513425 is a wasteful number, since it uses less digits than its factorization.

355420513425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278761217 (or 278761212 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 355420513425 its reverse (524315024553), we get a palindrome (879735537978).

The spelling of 355420513425 in words is "three hundred fifty-five billion, four hundred twenty million, five hundred thirteen thousand, four hundred twenty-five".