5581507978102 has 8 divisors (see below), whose sum is σ = 9568299391056. Its totient is φ = 2392074847752.

The previous prime is 5581507978073. The next prime is 5581507978133. The reversal of 5581507978102 is 2018797051855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5581507978102² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199339570633 + ... + 199339570660.

It is an arithmetic number, because the mean of its divisors is an integer number (1196037423882).

Almost surely, 2^{5581507978102} is an apocalyptic number.

5581507978102 is a deficient number, since it is larger than the sum of its proper divisors (3986791412954).

5581507978102 is a wasteful number, since it uses less digits than its factorization.

5581507978102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398679141302.

The product of its (nonzero) digits is 7056000, while the sum is 58.

The spelling of 5581507978102 in words is "five trillion, five hundred eighty-one billion, five hundred seven million, nine hundred seventy-eight thousand, one hundred two".