11500422417 has 16 divisors (see below), whose sum is σ = 18586541760. Its totient is φ = 6969952800.

The previous prime is 11500422413. The next prime is 11500422419. The reversal of 11500422417 is 71422400511.

It is not a de Polignac number, because 11500422417 - 2² = 11500422413 is a prime.

It is a super-2 number, since 2×11500422417² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11500422413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19360684 + ... + 19361277.

It is an arithmetic number, because the mean of its divisors is an integer number (1161658860).

Almost surely, 2^11500422417 is an apocalyptic number.

It is an amenable number.

11500422417 is a deficient number, since it is larger than the sum of its proper divisors (7086119343).

11500422417 is a wasteful number, since it uses less digits than its factorization.

11500422417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38721981 (or 38721975 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 11500422417 its reverse (71422400511), we get a palindrome (82922822928).

The spelling of 11500422417 in words is "eleven billion, five hundred million, four hundred twenty-two thousand, four hundred seventeen".