11255172007 has 2 divisors, whose sum is σ = 11255172008. Its totient is φ = 11255172006.

The previous prime is 11255172001. The next prime is 11255172017. The reversal of 11255172007 is 70027155211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11255172007 - 2³ = 11255171999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11255172007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11255172001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627586003 + 5627586004.

It is an arithmetic number, because the mean of its divisors is an integer number (5627586004).

Almost surely, 2^11255172007 is an apocalyptic number.

11255172007 is a deficient number, since it is larger than the sum of its proper divisors (1).

11255172007 is an equidigital number, since it uses as much as digits as its factorization.

11255172007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 31.

The spelling of 11255172007 in words is "eleven billion, two hundred fifty-five million, one hundred seventy-two thousand, seven".