11628980553 has 8 divisors (see below), whose sum is σ = 15505885408. Its totient is φ = 7752364704.

The previous prime is 11628980513. The next prime is 11628980581. The reversal of 11628980553 is 35508982611.

It is a happy number.

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

It is not a de Polignac number, because 11628980553 - 2¹⁶ = 11628915017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11628980513) 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, 52326 + ... + 161232.

It is an arithmetic number, because the mean of its divisors is an integer number (1938235676).

Almost surely, 2^11628980553 is an apocalyptic number.

It is an amenable number.

11628980553 is a deficient number, since it is larger than the sum of its proper divisors (3876904855).

11628980553 is a wasteful number, since it uses less digits than its factorization.

11628980553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144503.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 11628980553 in words is "eleven billion, six hundred twenty-eight million, nine hundred eighty thousand, five hundred fifty-three".