11255131 has 2 divisors, whose sum is σ = 11255132. Its totient is φ = 11255130.

The previous prime is 11255117. The next prime is 11255149. The reversal of 11255131 is 13155211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11255131 - 2⁵ = 11255099 is a prime.

It is a super-2 number, since 2×11255131² = 253355947654322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11255099 and 11255108.

It is not a weakly prime, because it can be changed into another prime (11255731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627565 + 5627566.

It is an arithmetic number, because the mean of its divisors is an integer number (5627566).

Almost surely, 2^11255131 is an apocalyptic number.

11255131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11255131 is an equidigital number, since it uses as much as digits as its factorization.

11255131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150, while the sum is 19.

The square root of 11255131 is about 3354.8667633753. The cubic root of 11255131 is about 224.1042974654.

The spelling of 11255131 in words is "eleven million, two hundred fifty-five thousand, one hundred thirty-one".