11903412542 has 32 divisors (see below), whose sum is σ = 20644761600. Its totient is φ = 5041991808.

The previous prime is 11903412541. The next prime is 11903412557. The reversal of 11903412542 is 24521430911.

It is a junction number, because it is equal to n+sod(n) for n = 11903412499 and 11903412508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903412541) 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, 557459 + ... + 578417.

It is an arithmetic number, because the mean of its divisors is an integer number (645148800).

Almost surely, 2^11903412542 is an apocalyptic number.

11903412542 is a deficient number, since it is larger than the sum of its proper divisors (8741349058).

11903412542 is a wasteful number, since it uses less digits than its factorization.

11903412542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21440.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 11903412542 in words is "eleven billion, nine hundred three million, four hundred twelve thousand, five hundred forty-two".