213355454515 has 16 divisors (see below), whose sum is σ = 292610315520. Its totient is φ = 146296608480.

The previous prime is 213355454497. The next prime is 213355454539. The reversal of 213355454515 is 515454553312.

It is not a de Polignac number, because 213355454515 - 2⁵ = 213355454483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551720 + ... + 1683610.

It is an arithmetic number, because the mean of its divisors is an integer number (18288144720).

Almost surely, 2^213355454515 is an apocalyptic number.

213355454515 is a deficient number, since it is larger than the sum of its proper divisors (79254861005).

213355454515 is a wasteful number, since it uses less digits than its factorization.

213355454515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178122.

The product of its digits is 900000, while the sum is 43.

The spelling of 213355454515 in words is "two hundred thirteen billion, three hundred fifty-five million, four hundred fifty-four thousand, five hundred fifteen".