11156506230 has 16 divisors (see below), whose sum is σ = 26775615024. Its totient is φ = 2975068320.

The previous prime is 11156506223. The next prime is 11156506243. The reversal of 11156506230 is 3260565111.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 371883541 = 11156506230 / (1 + 1 + 1 + 5 + 6 + 5 + 0 + 6 + 2 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185941741 + ... + 185941800.

It is an arithmetic number, because the mean of its divisors is an integer number (1673475939).

Almost surely, 2^11156506230 is an apocalyptic number.

11156506230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11156506230 is an abundant number, since it is smaller than the sum of its proper divisors (15619108794).

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

11156506230 is a wasteful number, since it uses less digits than its factorization.

11156506230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371883551.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 11156506230 in words is "eleven billion, one hundred fifty-six million, five hundred six thousand, two hundred thirty".