5115543972 has 192 divisors, whose sum is σ = 15480944640. Its totient is φ = 1277243520.

The previous prime is 5115543971. The next prime is 5115543989. The reversal of 5115543972 is 2793455115.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (5115543971) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22535323 + ... + 22535549.

It is an arithmetic number, because the mean of its divisors is an integer number (80629920).

Almost surely, 2^5115543972 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 5115543972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7740472320).

5115543972 is an abundant number, since it is smaller than the sum of its proper divisors (10365400668).

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

5115543972 is a wasteful number, since it uses less digits than its factorization.

5115543972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 279 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 5115543972 is about 71523.0310599320. The cubic root of 5115543972 is about 1723.0475953728.

The spelling of 5115543972 in words is "five billion, one hundred fifteen million, five hundred forty-three thousand, nine hundred seventy-two".