11001051 has 12 divisors (see below), whose sum is σ = 16190928. Its totient is φ = 7195344.

The previous prime is 11001049. The next prime is 11001073. The reversal of 11001051 is 15010011.

It is not a de Polignac number, because 11001051 - 2¹ = 11001049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11001031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11055 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (1349244).

Almost surely, 2^11001051 is an apocalyptic number.

11001051 is a deficient number, since it is larger than the sum of its proper divisors (5189877).

11001051 is a wasteful number, since it uses less digits than its factorization.

11001051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23122 (or 23119 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 11001051 is about 3316.7832307825. The cubic root of 11001051 is about 222.4050918710.

Adding to 11001051 its reverse (15010011), we get a palindrome (26011062).

The spelling of 11001051 in words is "eleven million, one thousand, fifty-one".