11551645426 has 8 divisors (see below), whose sum is σ = 17463905280. Its totient is φ = 5730343668.

The previous prime is 11551645397. The next prime is 11551645439. The reversal of 11551645426 is 62454615511.

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

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, 22739206 + ... + 22739713.

It is an arithmetic number, because the mean of its divisors is an integer number (2182988160).

Almost surely, 2^11551645426 is an apocalyptic number.

11551645426 is a deficient number, since it is larger than the sum of its proper divisors (5912259854).

11551645426 is a wasteful number, since it uses less digits than its factorization.

11551645426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45479048.

The product of its digits is 144000, while the sum is 40.

The spelling of 11551645426 in words is "eleven billion, five hundred fifty-one million, six hundred forty-five thousand, four hundred twenty-six".