13011145400 has 192 divisors, whose sum is σ = 33858190080. Its totient is φ = 4610073600.

The previous prime is 13011145393. The next prime is 13011145429. The reversal of 13011145400 is 454111031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15181772 + ... + 15182628.

It is an arithmetic number, because the mean of its divisors is an integer number (176344740).

Almost surely, 2^13011145400 is an apocalyptic number.

13011145400 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 13011145400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16929095040).

13011145400 is an abundant number, since it is smaller than the sum of its proper divisors (20847044680).

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

13011145400 is a wasteful number, since it uses less digits than its factorization.

13011145400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 13011145400 its reverse (454111031), we get a palindrome (13465256431).

The spelling of 13011145400 in words is "thirteen billion, eleven million, one hundred forty-five thousand, four hundred".