11222155524 has 24 divisors (see below), whose sum is σ = 26188874208. Its totient is φ = 3740169280.

The previous prime is 11222155517. The next prime is 11222155597. The reversal of 11222155524 is 42555122211.

It is a junction number, because it is equal to n+sod(n) for n = 11222155491 and 11222155500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21184 + ... + 151304.

It is an arithmetic number, because the mean of its divisors is an integer number (1091203092).

Almost surely, 2^11222155524 is an apocalyptic number.

It is an amenable number.

11222155524 is an abundant number, since it is smaller than the sum of its proper divisors (14966718684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222155524 is a wasteful number, since it uses less digits than its factorization.

11222155524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137315 (or 137313 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

Adding to 11222155524 its reverse (42555122211), we get a palindrome (53777277735).

The spelling of 11222155524 in words is "eleven billion, two hundred twenty-two million, one hundred fifty-five thousand, five hundred twenty-four".