11903862539 has 8 divisors (see below), whose sum is σ = 12531397440. Its totient is φ = 11276429256.

The previous prime is 11903862533. The next prime is 11903862569. The reversal of 11903862539 is 93526830911.

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 11903862539 - 2²⁰ = 11902813963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11903862493 and 11903862502.

It is not an unprimeable number, because it can be changed into a prime (11903862533) 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, 386192 + ... + 415874.

It is an arithmetic number, because the mean of its divisors is an integer number (1566424680).

Almost surely, 2^11903862539 is an apocalyptic number.

11903862539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11903862539 is a deficient number, since it is larger than the sum of its proper divisors (627534901).

11903862539 is a wasteful number, since it uses less digits than its factorization.

11903862539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50809.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 11903862539 in words is "eleven billion, nine hundred three million, eight hundred sixty-two thousand, five hundred thirty-nine".