5015121636 has 96 divisors (see below), whose sum is σ = 13929172992. Its totient is φ = 1374468480.

The previous prime is 5015121541. The next prime is 5015121637. The reversal of 5015121636 is 6361215105.

It is not an unprimeable number, because it can be changed into a prime (5015121637) 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, 209305 + ... + 232031.

It is an arithmetic number, because the mean of its divisors is an integer number (145095552).

Almost surely, 2^5015121636 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 5015121636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6964586496).

5015121636 is an abundant number, since it is smaller than the sum of its proper divisors (8914051356).

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

5015121636 is a wasteful number, since it uses less digits than its factorization.

5015121636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22849 (or 22847 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5015121636 is about 70817.5235093688. The cubic root of 5015121636 is about 1711.6980540253.

The spelling of 5015121636 in words is "five billion, fifteen million, one hundred twenty-one thousand, six hundred thirty-six".