11230643478 has 8 divisors (see below), whose sum is σ = 22461286968. Its totient is φ = 3743547824.

The previous prime is 11230643441. The next prime is 11230643483. The reversal of 11230643478 is 87434603211.

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

11230643478 is an admirable number.

It is a super-2 number, since 2×11230643478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935886951 + ... + 935886962.

It is an arithmetic number, because the mean of its divisors is an integer number (2807660871).

Almost surely, 2^11230643478 is an apocalyptic number.

11230643478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11230643478 is a wasteful number, since it uses less digits than its factorization.

11230643478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871773918.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 11230643478 in words is "eleven billion, two hundred thirty million, six hundred forty-three thousand, four hundred seventy-eight".