11155120130 has 64 divisors (see below), whose sum is σ = 25047180288. Its totient is φ = 3475066560.

The previous prime is 11155120117. The next prime is 11155120133. The reversal of 11155120130 is 3102155111.

It is a happy number.

It is a super-2 number, since 2×11155120130² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11155120133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2464049 + ... + 2468571.

It is an arithmetic number, because the mean of its divisors is an integer number (391362192).

Almost surely, 2^11155120130 is an apocalyptic number.

11155120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11155120130 is an abundant number, since it is smaller than the sum of its proper divisors (13892060158).

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

11155120130 is a wasteful number, since it uses less digits than its factorization.

11155120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 11155120130 its reverse (3102155111), we get a palindrome (14257275241).

The spelling of 11155120130 in words is "eleven billion, one hundred fifty-five million, one hundred twenty thousand, one hundred thirty".