11425015181 has 2 divisors, whose sum is σ = 11425015182. Its totient is φ = 11425015180.

The previous prime is 11425015169. The next prime is 11425015219. The reversal of 11425015181 is 18151052411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10764062500 + 660952681 = 103750^2 + 25709^2 .

It is a cyclic number.

It is not a de Polignac number, because 11425015181 - 2¹⁰ = 11425014157 is a prime.

It is a super-2 number, since 2×11425015181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11425915181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5712507590 + 5712507591.

It is an arithmetic number, because the mean of its divisors is an integer number (5712507591).

Almost surely, 2^11425015181 is an apocalyptic number.

It is an amenable number.

11425015181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11425015181 is an equidigital number, since it uses as much as digits as its factorization.

11425015181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 29.

Adding to 11425015181 its reverse (18151052411), we get a palindrome (29576067592).

The spelling of 11425015181 in words is "eleven billion, four hundred twenty-five million, fifteen thousand, one hundred eighty-one".