211434862113400 has 48 divisors (see below), whose sum is σ = 520502881152240. Its totient is φ = 79599006912000.

The previous prime is 211434862113359. The next prime is 211434862113407. The reversal of 211434862113400 is 4311268434112.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211434862113407) 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, 31093358676 + ... + 31093365475.

It is an arithmetic number, because the mean of its divisors is an integer number (10843810024005).

Almost surely, 2^{211434862113400} is an apocalyptic number.

211434862113400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211434862113400 is an abundant number, since it is smaller than the sum of its proper divisors (309068019038840).

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

211434862113400 is a wasteful number, since it uses less digits than its factorization.

211434862113400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62186724184 (or 62186724175 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 211434862113400 in words is "two hundred eleven trillion, four hundred thirty-four billion, eight hundred sixty-two million, one hundred thirteen thousand, four hundred".