215346523113 has 12 divisors (see below), whose sum is σ = 311062202100. Its totient is φ = 143561527296.

The previous prime is 215346523097. The next prime is 215346523121. The reversal of 215346523113 is 311325643512.

215346523113 is a `hidden beast` number, since 2 + 1 + 534 + 6 + 5 + 2 + 3 + 113 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 174587758569 + 40758764544 = 417837^2 + 201888^2 .

It is not a de Polignac number, because 215346523113 - 2⁴ = 215346523097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215346523313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316345 + ... + 728537.

It is an arithmetic number, because the mean of its divisors is an integer number (25921850175).

Almost surely, 2^215346523113 is an apocalyptic number.

It is an amenable number.

215346523113 is a deficient number, since it is larger than the sum of its proper divisors (95715678987).

215346523113 is a wasteful number, since it uses less digits than its factorization.

215346523113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470248 (or 470245 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 215346523113 in words is "two hundred fifteen billion, three hundred forty-six million, five hundred twenty-three thousand, one hundred thirteen".