315455400215111 has 4 divisors (see below), whose sum is σ = 339721200231672. Its totient is φ = 291189600198552.

The previous prime is 315455400215077. The next prime is 315455400215117. The reversal of 315455400215111 is 111512004554513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315455400215111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315455400215117) 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, 12132900008261 + ... + 12132900008286.

It is an arithmetic number, because the mean of its divisors is an integer number (84930300057918).

Almost surely, 2^{315455400215111} is an apocalyptic number.

315455400215111 is a deficient number, since it is larger than the sum of its proper divisors (24265800016561).

315455400215111 is a wasteful number, since it uses less digits than its factorization.

315455400215111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24265800016560.

The product of its (nonzero) digits is 60000, while the sum is 38.

Adding to 315455400215111 its reverse (111512004554513), we get a palindrome (426967404769624).

The spelling of 315455400215111 in words is "three hundred fifteen trillion, four hundred fifty-five billion, four hundred million, two hundred fifteen thousand, one hundred eleven".