11150505001 has 2 divisors, whose sum is σ = 11150505002. Its totient is φ = 11150505000.

The previous prime is 11150504957. The next prime is 11150505013. The reversal of 11150505001 is 10050505111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9273882601 + 1876622400 = 96301^2 + 43320^2 .

It is a cyclic number.

It is not a de Polignac number, because 11150505001 - 2⁷ = 11150504873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11150505001.

It is not a weakly prime, because it can be changed into another prime (11150505031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575252500 + 5575252501.

It is an arithmetic number, because the mean of its divisors is an integer number (5575252501).

Almost surely, 2^11150505001 is an apocalyptic number.

It is an amenable number.

11150505001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11150505001 is an equidigital number, since it uses as much as digits as its factorization.

11150505001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125, while the sum is 19.

The spelling of 11150505001 in words is "eleven billion, one hundred fifty million, five hundred five thousand, one".