5531122425540 has 48 divisors (see below), whose sum is σ = 15487325824320. Its totient is φ = 1474948548480.

The previous prime is 5531122425527. The next prime is 5531122425553. The reversal of 5531122425540 is 455242211355.

It is an interprime number because it is at equal distance from previous prime (5531122425527) and next prime (5531122425553).

It is a super-2 number, since 2×5531122425540² (a number of 26 digits) contains 22 as substring.

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, 5049151 + ... + 6046169.

It is an arithmetic number, because the mean of its divisors is an integer number (322652621340).

Almost surely, 2^{5531122425540} is an apocalyptic number.

It is an amenable number.

5531122425540 is an abundant number, since it is smaller than the sum of its proper divisors (9956203398780).

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

5531122425540 is a wasteful number, since it uses less digits than its factorization.

5531122425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089492 (or 1089490 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 5531122425540 its reverse (455242211355), we get a palindrome (5986364636895).

The spelling of 5531122425540 in words is "five trillion, five hundred thirty-one billion, one hundred twenty-two million, four hundred twenty-five thousand, five hundred forty".