11738905457205 has 32 divisors (see below), whose sum is σ = 19021048715520. Its totient is φ = 6181494924800.

The previous prime is 11738905457173. The next prime is 11738905457219. The reversal of 11738905457205 is 50275450983711.

It is not a de Polignac number, because 11738905457205 - 2⁵ = 11738905457173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10247832 + ... + 11335601.

It is an arithmetic number, because the mean of its divisors is an integer number (594407772360).

Almost surely, 2^{11738905457205} is an apocalyptic number.

11738905457205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11738905457205 is a deficient number, since it is larger than the sum of its proper divisors (7282143258315).

11738905457205 is a wasteful number, since it uses less digits than its factorization.

11738905457205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21583901.

The product of its (nonzero) digits is 10584000, while the sum is 57.

The spelling of 11738905457205 in words is "eleven trillion, seven hundred thirty-eight billion, nine hundred five million, four hundred fifty-seven thousand, two hundred five".