355018061243 has 4 divisors (see below), whose sum is σ = 355020240048. Its totient is φ = 355015882440.

The previous prime is 355018061231. The next prime is 355018061329. The reversal of 355018061243 is 342160810553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342160810553 = 2939 ⋅116420827.

It is a cyclic number.

It is not a de Polignac number, because 355018061243 - 2¹⁴ = 355018044859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355018061197 and 355018061206.

It is not an unprimeable number, because it can be changed into a prime (355018063243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823328 + ... + 1178093.

It is an arithmetic number, because the mean of its divisors is an integer number (88755060012).

Almost surely, 2^355018061243 is an apocalyptic number.

355018061243 is a deficient number, since it is larger than the sum of its proper divisors (2178805).

355018061243 is a wasteful number, since it uses less digits than its factorization.

355018061243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178804.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 355018061243 its reverse (342160810553), we get a palindrome (697178871796).

The spelling of 355018061243 in words is "three hundred fifty-five billion, eighteen million, sixty-one thousand, two hundred forty-three".