11344531530 has 32 divisors (see below), whose sum is σ = 28105164288. Its totient is φ = 2927620800.

The previous prime is 11344531519. The next prime is 11344531543. The reversal of 11344531530 is 3513544311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6098281 + ... + 6100140.

It is an arithmetic number, because the mean of its divisors is an integer number (878286384).

Almost surely, 2^11344531530 is an apocalyptic number.

11344531530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11344531530 is an abundant number, since it is smaller than the sum of its proper divisors (16760632758).

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

11344531530 is a wasteful number, since it uses less digits than its factorization.

11344531530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198462.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 11344531530 in words is "eleven billion, three hundred forty-four million, five hundred thirty-one thousand, five hundred thirty".