11345320032 has 48 divisors (see below), whose sum is σ = 31076317440. Its totient is φ = 3617347712.

The previous prime is 11345320003. The next prime is 11345320061. The reversal of 11345320032 is 23002354311.

It is an interprime number because it is at equal distance from previous prime (11345320003) and next prime (11345320061).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11345319984 and 11345320011.

It is a congruent number.

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, 2566932 + ... + 2571347.

It is an arithmetic number, because the mean of its divisors is an integer number (647423280).

Almost surely, 2^11345320032 is an apocalyptic number.

11345320032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11345320032 is an abundant number, since it is smaller than the sum of its proper divisors (19730997408).

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

11345320032 is a wasteful number, since it uses less digits than its factorization.

11345320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138315 (or 5138307 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 11345320032 its reverse (23002354311), we get a palindrome (34347674343).

The spelling of 11345320032 in words is "eleven billion, three hundred forty-five million, three hundred twenty thousand, thirty-two".