211990113675 has 36 divisors (see below), whose sum is σ = 379964133120. Its totient is φ = 112982103360.

The previous prime is 211990113667. The next prime is 211990113689. The reversal of 211990113675 is 576311099112.

It is not a de Polignac number, because 211990113675 - 2³ = 211990113667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 211990113675.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8139 + ... + 651188.

Almost surely, 2^211990113675 is an apocalyptic number.

211990113675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

211990113675 is a deficient number, since it is larger than the sum of its proper divisors (167974019445).

211990113675 is a wasteful number, since it uses less digits than its factorization.

211990113675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660772 (or 660764 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 211990113675 in words is "two hundred eleven billion, nine hundred ninety million, one hundred thirteen thousand, six hundred seventy-five".