1101513000 has 128 divisors (see below), whose sum is σ = 3927755520. Its totient is φ = 251769600.

The previous prime is 1101512981. The next prime is 1101513001. The reversal of 1101513000 is 3151011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1101513001) 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, 5227 + ... + 47226.

It is an arithmetic number, because the mean of its divisors is an integer number (30685590).

Almost surely, 2^1101513000 is an apocalyptic number.

1101513000 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 1101513000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963877760).

1101513000 is an abundant number, since it is smaller than the sum of its proper divisors (2826242520).

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

1101513000 is a wasteful number, since it uses less digits than its factorization.

1101513000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52484 (or 52470 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 1101513000 is about 33189.0493988605. The cubic root of 1101513000 is about 1032.7531834205.

Adding to 1101513000 its reverse (3151011), we get a palindrome (1104664011).

The spelling of 1101513000 in words is "one billion, one hundred one million, five hundred thirteen thousand".