355980711813 has 4 divisors (see below), whose sum is σ = 474640949088. Its totient is φ = 237320474540.

The previous prime is 355980711809. The next prime is 355980711829. The reversal of 355980711813 is 318117089553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 355980711813 - 2² = 355980711809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355980711883) 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, 59330118633 + ... + 59330118638.

It is an arithmetic number, because the mean of its divisors is an integer number (118660237272).

Almost surely, 2^355980711813 is an apocalyptic number.

It is an amenable number.

355980711813 is a deficient number, since it is larger than the sum of its proper divisors (118660237275).

355980711813 is a wasteful number, since it uses less digits than its factorization.

355980711813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118660237274.

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 355980711813 in words is "three hundred fifty-five billion, nine hundred eighty million, seven hundred eleven thousand, eight hundred thirteen".