5515435123420 has 24 divisors (see below), whose sum is σ = 11659118492448. Its totient is φ = 2191563624000.

The previous prime is 5515435123409. The next prime is 5515435123433. The reversal of 5515435123420 is 243215345155.

It is a super-3 number, since 3×5515435123420³ (a number of 39 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913148491 + ... + 913154530.

It is an arithmetic number, because the mean of its divisors is an integer number (485796603852).

Almost surely, 2^{5515435123420} is an apocalyptic number.

It is an amenable number.

5515435123420 is an abundant number, since it is smaller than the sum of its proper divisors (6143683369028).

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

5515435123420 is a wasteful number, since it uses less digits than its factorization.

5515435123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826303181 (or 1826303179 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 5515435123420 in words is "five trillion, five hundred fifteen billion, four hundred thirty-five million, one hundred twenty-three thousand, four hundred twenty".