11251124216 has 8 divisors (see below), whose sum is σ = 21095857920. Its totient is φ = 5625562104.

The previous prime is 11251124201. The next prime is 11251124219. The reversal of 11251124216 is 61242115211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11251124216² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251124219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703195256 + ... + 703195271.

It is an arithmetic number, because the mean of its divisors is an integer number (2636982240).

Almost surely, 2^11251124216 is an apocalyptic number.

It is an amenable number.

11251124216 is a deficient number, since it is larger than the sum of its proper divisors (9844733704).

11251124216 is a wasteful number, since it uses less digits than its factorization.

11251124216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406390533 (or 1406390529 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

Adding to 11251124216 its reverse (61242115211), we get a palindrome (72493239427).

The spelling of 11251124216 in words is "eleven billion, two hundred fifty-one million, one hundred twenty-four thousand, two hundred sixteen".