11990535046 has 8 divisors (see below), whose sum is σ = 20555202960. Its totient is φ = 5138800728.

The previous prime is 11990535041. The next prime is 11990535059. The reversal of 11990535046 is 64053509911.

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

It is a junction number, because it is equal to n+sod(n) for n = 11990534993 and 11990535011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990535041) 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, 428233381 + ... + 428233408.

It is an arithmetic number, because the mean of its divisors is an integer number (2569400370).

Almost surely, 2^11990535046 is an apocalyptic number.

11990535046 is a deficient number, since it is larger than the sum of its proper divisors (8564667914).

11990535046 is an equidigital number, since it uses as much as digits as its factorization.

11990535046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856466798.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 11990535046 in words is "eleven billion, nine hundred ninety million, five hundred thirty-five thousand, forty-six".