1101251016 has 24 divisors (see below), whose sum is σ = 2982555030. Its totient is φ = 367083648.

The previous prime is 1101251009. The next prime is 1101251029. The reversal of 1101251016 is 6101521011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 820822500 + 280428516 = 28650^2 + 16746^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1101251016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7647505 + ... + 7647648.

Almost surely, 2^1101251016 is an apocalyptic number.

It is an amenable number.

1101251016 is an abundant number, since it is smaller than the sum of its proper divisors (1881304014).

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

1101251016 is a wasteful number, since it uses less digits than its factorization.

1101251016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295165 (or 15295158 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 1101251016 is about 33185.1023201677. The cubic root of 1101251016 is about 1032.6713002097.

Adding to 1101251016 its reverse (6101521011), we get a palindrome (7202772027).

The spelling of 1101251016 in words is "one billion, one hundred one million, two hundred fifty-one thousand, sixteen".