11161461 has 4 divisors (see below), whose sum is σ = 14881952. Its totient is φ = 7440972.

The previous prime is 11161459. The next prime is 11161487. The reversal of 11161461 is 16416111.

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: 16416111 = 3 ⋅5472037.

It is not a de Polignac number, because 11161461 - 2¹ = 11161459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161961) 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, 1860241 + ... + 1860246.

It is an arithmetic number, because the mean of its divisors is an integer number (3720488).

Almost surely, 2^11161461 is an apocalyptic number.

It is an amenable number.

11161461 is a deficient number, since it is larger than the sum of its proper divisors (3720491).

11161461 is an equidigital number, since it uses as much as digits as its factorization.

11161461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720490.

The product of its digits is 144, while the sum is 21.

The square root of 11161461 is about 3340.8772799970. The cubic root of 11161461 is about 223.4808675924.

Adding to 11161461 its reverse (16416111), we get a palindrome (27577572).

The spelling of 11161461 in words is "eleven million, one hundred sixty-one thousand, four hundred sixty-one".