213255553260 has 24 divisors (see below), whose sum is σ = 597115549296. Its totient is φ = 56868147520.

The previous prime is 213255553201. The next prime is 213255553289. The reversal of 213255553260 is 62355552312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777129551 + ... + 1777129670.

It is an arithmetic number, because the mean of its divisors is an integer number (24879814554).

Almost surely, 2^213255553260 is an apocalyptic number.

213255553260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213255553260 is an abundant number, since it is smaller than the sum of its proper divisors (383859996036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213255553260 is a wasteful number, since it uses less digits than its factorization.

213255553260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554259233 (or 3554259231 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 213255553260 in words is "two hundred thirteen billion, two hundred fifty-five million, five hundred fifty-three thousand, two hundred sixty".