5511989158740 has 96 divisors (see below), whose sum is σ = 17148878732160. Its totient is φ = 1469823660288.

The previous prime is 5511989158723. The next prime is 5511989158747. The reversal of 5511989158740 is 478519891155.

5511989158740 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 9 + 8 + 9 + 1 + 587 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511989158747) 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, 23320032 + ... + 23555208.

It is an arithmetic number, because the mean of its divisors is an integer number (178634153460).

Almost surely, 2^{5511989158740} is an apocalyptic number.

It is an amenable number.

5511989158740 is an abundant number, since it is smaller than the sum of its proper divisors (11636889573420).

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

5511989158740 is a wasteful number, since it uses less digits than its factorization.

5511989158740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278598 (or 278590 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 63.

The spelling of 5511989158740 in words is "five trillion, five hundred eleven billion, nine hundred eighty-nine million, one hundred fifty-eight thousand, seven hundred forty".