11903153838155 has 16 divisors (see below), whose sum is σ = 14318568264000. Its totient is φ = 9499340776320.

The previous prime is 11903153838143. The next prime is 11903153838157. The reversal of 11903153838155 is 55183835130911.

It is not a de Polignac number, because 11903153838155 - 2¹⁴ = 11903153821771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11903153838097 and 11903153838106.

It is not an unprimeable number, because it can be changed into a prime (11903153838157) 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, 13671821 + ... + 14516369.

It is an arithmetic number, because the mean of its divisors is an integer number (894910516500).

Almost surely, 2^{11903153838155} is an apocalyptic number.

11903153838155 is a deficient number, since it is larger than the sum of its proper divisors (2415414425845).

11903153838155 is an equidigital number, since it uses as much as digits as its factorization.

11903153838155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851414.

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 11903153838155 in words is "eleven trillion, nine hundred three billion, one hundred fifty-three million, eight hundred thirty-eight thousand, one hundred fifty-five".