5101121544 has 32 divisors (see below), whose sum is σ = 12756700320. Its totient is φ = 1699854336.

The previous prime is 5101121537. The next prime is 5101121549. The reversal of 5101121544 is 4451211015.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (5101121549) 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, 52227 + ... + 113709.

It is an arithmetic number, because the mean of its divisors is an integer number (398646885).

Almost surely, 2^5101121544 is an apocalyptic number.

It is an amenable number.

5101121544 is an abundant number, since it is smaller than the sum of its proper divisors (7655578776).

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

5101121544 is a wasteful number, since it uses less digits than its factorization.

5101121544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64949 (or 64945 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 5101121544 is about 71422.1362324035. The cubic root of 5101121544 is about 1721.4267888889.

Adding to 5101121544 its reverse (4451211015), we get a palindrome (9552332559).

The spelling of 5101121544 in words is "five billion, one hundred one million, one hundred twenty-one thousand, five hundred forty-four".