11345415420 has 96 divisors (see below), whose sum is σ = 32112843840. Its totient is φ = 2992619520.

The previous prime is 11345415401. The next prime is 11345415427. The reversal of 11345415420 is 2451454311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345415427) 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, 5368284 + ... + 5370396.

It is an arithmetic number, because the mean of its divisors is an integer number (334508790).

Almost surely, 2^11345415420 is an apocalyptic number.

11345415420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11345415420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16056421920).

11345415420 is an abundant number, since it is smaller than the sum of its proper divisors (20767428420).

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

11345415420 is a wasteful number, since it uses less digits than its factorization.

11345415420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11345415420 its reverse (2451454311), we get a palindrome (13796869731).

The spelling of 11345415420 in words is "eleven billion, three hundred forty-five million, four hundred fifteen thousand, four hundred twenty".