11938545145403 has 4 divisors (see below), whose sum is σ = 12566889626760. Its totient is φ = 11310200664048.

The previous prime is 11938545145363. The next prime is 11938545145409. The reversal of 11938545145403 is 30454154583911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11938545145403 - 2¹⁸ = 11938544883259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11938545145409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314172240650 + ... + 314172240687.

It is an arithmetic number, because the mean of its divisors is an integer number (3141722406690).

Almost surely, 2^{11938545145403} is an apocalyptic number.

11938545145403 is a deficient number, since it is larger than the sum of its proper divisors (628344481357).

11938545145403 is an equidigital number, since it uses as much as digits as its factorization.

11938545145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628344481356.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 11938545145403 in words is "eleven trillion, nine hundred thirty-eight billion, five hundred forty-five million, one hundred forty-five thousand, four hundred three".