11242202461 has 16 divisors (see below), whose sum is σ = 13084087168. Its totient is φ = 9459892800.

The previous prime is 11242202449. The next prime is 11242202479. The reversal of 11242202461 is 16420224211.

It is a cyclic number.

It is not a de Polignac number, because 11242202461 - 2³¹ = 9094718813 is a prime.

It is a super-2 number, since 2×11242202461² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242202441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198151 + ... + 248491.

It is an arithmetic number, because the mean of its divisors is an integer number (817755448).

Almost surely, 2^11242202461 is an apocalyptic number.

It is an amenable number.

11242202461 is a deficient number, since it is larger than the sum of its proper divisors (1841884707).

11242202461 is an equidigital number, since it uses as much as digits as its factorization.

11242202461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50932.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11242202461 its reverse (16420224211), we get a palindrome (27662426672).

The spelling of 11242202461 in words is "eleven billion, two hundred forty-two million, two hundred two thousand, four hundred sixty-one".