315553213111 has 2 divisors, whose sum is σ = 315553213112. Its totient is φ = 315553213110.

The previous prime is 315553213099. The next prime is 315553213147. The reversal of 315553213111 is 111312355513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315553213111 - 2³⁷ = 178114259639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315553213411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157776606555 + 157776606556.

It is an arithmetic number, because the mean of its divisors is an integer number (157776606556).

Almost surely, 2^315553213111 is an apocalyptic number.

315553213111 is a deficient number, since it is larger than the sum of its proper divisors (1).

315553213111 is an equidigital number, since it uses as much as digits as its factorization.

315553213111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6750, while the sum is 31.

Adding to 315553213111 its reverse (111312355513), we get a palindrome (426865568624).

The spelling of 315553213111 in words is "three hundred fifteen billion, five hundred fifty-three million, two hundred thirteen thousand, one hundred eleven".