4961511036 has 96 divisors (see below), whose sum is σ = 13006560000. Its totient is φ = 1635505344.

The previous prime is 4961511029. The next prime is 4961511053. The reversal of 4961511036 is 6301151694.

4961511036 is a `hidden beast` number, since 4 + 9 + 615 + 1 + 1 + 0 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5238715 + ... + 5239661.

It is an arithmetic number, because the mean of its divisors is an integer number (135485000).

Almost surely, 2^4961511036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4961511036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6503280000).

4961511036 is an abundant number, since it is smaller than the sum of its proper divisors (8045048964).

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

4961511036 is a wasteful number, since it uses less digits than its factorization.

4961511036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 4961511036 is about 70437.9942644593. The cubic root of 4961511036 is about 1705.5769596196.

The spelling of 4961511036 in words is "four billion, nine hundred sixty-one million, five hundred eleven thousand, thirty-six".