11903748451 has 8 divisors (see below), whose sum is σ = 13642825824. Its totient is φ = 10174306560.

The previous prime is 11903748433. The next prime is 11903748511. The reversal of 11903748451 is 15484730911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11903748451 - 2¹³ = 11903740259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11903748398 and 11903748407.

It is not an unprimeable number, because it can be changed into a prime (11903748751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2406220 + ... + 2411161.

It is an arithmetic number, because the mean of its divisors is an integer number (1705353228).

Almost surely, 2^11903748451 is an apocalyptic number.

11903748451 is a deficient number, since it is larger than the sum of its proper divisors (1739077373).

11903748451 is an equidigital number, since it uses as much as digits as its factorization.

11903748451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817741.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 11903748451 in words is "eleven billion, nine hundred three million, seven hundred forty-eight thousand, four hundred fifty-one".