11001051051 has 8 divisors (see below), whose sum is σ = 14874660864. Its totient is φ = 7230737640.

The previous prime is 11001051049. The next prime is 11001051077. The reversal of 11001051051 is 15015010011.

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

It is not a de Polignac number, because 11001051051 - 2¹ = 11001051049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11001051051.

It is not an unprimeable number, because it can be changed into a prime (11001051001) 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, 25823851 + ... + 25824276.

It is an arithmetic number, because the mean of its divisors is an integer number (1859332608).

Almost surely, 2^11001051051 is an apocalyptic number.

11001051051 is a deficient number, since it is larger than the sum of its proper divisors (3873609813).

11001051051 is an equidigital number, since it uses as much as digits as its factorization.

11001051051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51648201.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 11001051051 its reverse (15015010011), we get a palindrome (26016061062).

The spelling of 11001051051 in words is "eleven billion, one million, fifty-one thousand, fifty-one".