355113413421 has 64 divisors (see below), whose sum is σ = 541653073920. Its totient is φ = 205295650560.

The previous prime is 355113413363. The next prime is 355113413437. The reversal of 355113413421 is 124314311553.

It is not a de Polignac number, because 355113413421 - 2⁶ = 355113413357 is a prime.

It is a super-2 number, since 2×355113413421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355113413621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13521715 + ... + 13547951.

It is an arithmetic number, because the mean of its divisors is an integer number (8463329280).

Almost surely, 2^355113413421 is an apocalyptic number.

It is an amenable number.

355113413421 is a deficient number, since it is larger than the sum of its proper divisors (186539660499).

355113413421 is a wasteful number, since it uses less digits than its factorization.

355113413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26546.

The product of its digits is 21600, while the sum is 33.

Adding to 355113413421 its reverse (124314311553), we get a palindrome (479427724974).

The spelling of 355113413421 in words is "three hundred fifty-five billion, one hundred thirteen million, four hundred thirteen thousand, four hundred twenty-one".