11155227507 has 6 divisors (see below), whose sum is σ = 16113106412. Its totient is φ = 7436818332.

The previous prime is 11155227487. The next prime is 11155227509. The reversal of 11155227507 is 70572255111.

It is not a de Polignac number, because 11155227507 - 2¹⁶ = 11155161971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11155227509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619734853 + ... + 619734870.

Almost surely, 2^11155227507 is an apocalyptic number.

11155227507 is a deficient number, since it is larger than the sum of its proper divisors (4957878905).

11155227507 is a wasteful number, since it uses less digits than its factorization.

11155227507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239469729 (or 1239469726 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

The spelling of 11155227507 in words is "eleven billion, one hundred fifty-five million, two hundred twenty-seven thousand, five hundred seven".