211620480355 has 16 divisors (see below), whose sum is σ = 254443860000. Its totient is φ = 168963747840.

The previous prime is 211620480353. The next prime is 211620480451. The reversal of 211620480355 is 553084026112.

It is not a de Polignac number, because 211620480355 - 2¹ = 211620480353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211620480353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8798536 + ... + 8822554.

It is an arithmetic number, because the mean of its divisors is an integer number (15902741250).

Almost surely, 2^211620480355 is an apocalyptic number.

211620480355 is a deficient number, since it is larger than the sum of its proper divisors (42823379645).

211620480355 is a wasteful number, since it uses less digits than its factorization.

211620480355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27414.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 211620480355 in words is "two hundred eleven billion, six hundred twenty million, four hundred eighty thousand, three hundred fifty-five".