11510928001 has 4 divisors (see below), whose sum is σ = 11513924032. Its totient is φ = 11507931972.

The previous prime is 11510927999. The next prime is 11510928007. The reversal of 11510928001 is 10082901511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10082901511 = 29 ⋅347686259.

It is a cyclic number.

It is not a de Polignac number, because 11510928001 - 2¹ = 11510927999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11510928007) 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, 1492245 + ... + 1499938.

It is an arithmetic number, because the mean of its divisors is an integer number (2878481008).

Almost surely, 2^11510928001 is an apocalyptic number.

It is an amenable number.

11510928001 is a deficient number, since it is larger than the sum of its proper divisors (2996031).

11510928001 is an equidigital number, since it uses as much as digits as its factorization.

11510928001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996030.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 11510928001 in words is "eleven billion, five hundred ten million, nine hundred twenty-eight thousand, one".