11261051 has 4 divisors (see below), whose sum is σ = 11270112. Its totient is φ = 11251992.

The previous prime is 11261023. The next prime is 11261057. The reversal of 11261051 is 15016211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15016211 = 7 ⋅2145173.

It is a cyclic number.

It is not a de Polignac number, because 11261051 - 2¹⁸ = 10998907 is a prime.

It is a super-2 number, since 2×11261051² = 253622539249202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11261057) 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, 2300 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (2817528).

Almost surely, 2^11261051 is an apocalyptic number.

11261051 is a deficient number, since it is larger than the sum of its proper divisors (9061).

11261051 is an equidigital number, since it uses as much as digits as its factorization.

11261051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 11261051 is about 3355.7489477015. The cubic root of 11261051 is about 224.1435822119.

Adding to 11261051 its reverse (15016211), we get a palindrome (26277262).

The spelling of 11261051 in words is "eleven million, two hundred sixty-one thousand, fifty-one".