5511052151540 has 48 divisors (see below), whose sum is σ = 12485360880720. Its totient is φ = 2031273784320.

The previous prime is 5511052151533. The next prime is 5511052151609. The reversal of 5511052151540 is 451512501155.

It can be written as a sum of positive squares in 8 ways, for example, as 2310023055376 + 3201029096164 = 1519876^2 + 1789142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5511052151540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18478031 + ... + 18773910.

It is an arithmetic number, because the mean of its divisors is an integer number (260111685015).

Almost surely, 2^{5511052151540} is an apocalyptic number.

It is an amenable number.

5511052151540 is an abundant number, since it is smaller than the sum of its proper divisors (6974308729180).

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

5511052151540 is a wasteful number, since it uses less digits than its factorization.

5511052151540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37252532 (or 37252530 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 35.

Adding to 5511052151540 its reverse (451512501155), we get a palindrome (5962564652695).

The spelling of 5511052151540 in words is "five trillion, five hundred eleven billion, fifty-two million, one hundred fifty-one thousand, five hundred forty".