3611134920 has 32 divisors (see below), whose sum is σ = 10833405120. Its totient is φ = 962969280.

The previous prime is 3611134909. The next prime is 3611134921. The reversal of 3611134920 is 294311163.

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

It is not an unprimeable number, because it can be changed into a prime (3611134921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15046276 + ... + 15046515.

It is an arithmetic number, because the mean of its divisors is an integer number (338543910).

Almost surely, 2^3611134920 is an apocalyptic number.

3611134920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3611134920 is an abundant number, since it is smaller than the sum of its proper divisors (7222270200).

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

3611134920 is a wasteful number, since it uses less digits than its factorization.

3611134920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30092805 (or 30092801 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3611134920 is about 60092.7193593367. The cubic root of 3611134920 is about 1534.1973855103.

The spelling of 3611134920 in words is "three billion, six hundred eleven million, one hundred thirty-four thousand, nine hundred twenty".