5631008911398 has 48 divisors (see below), whose sum is σ = 13141133525520. Its totient is φ = 1732339524672.

The previous prime is 5631008911391. The next prime is 5631008911399. The reversal of 5631008911398 is 8931198001365.

5631008911398 is a `hidden beast` number, since 5 + 63 + 100 + 8 + 91 + 1 + 398 = 666.

It is a super-2 number, since 2×5631008911398² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631008911391) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 474036 + ... + 3389207.

It is an arithmetic number, because the mean of its divisors is an integer number (273773615115).

Almost surely, 2^{5631008911398} is an apocalyptic number.

5631008911398 is an abundant number, since it is smaller than the sum of its proper divisors (7510124614122).

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

5631008911398 is a wasteful number, since it uses less digits than its factorization.

5631008911398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869493 (or 3869490 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 5631008911398 in words is "five trillion, six hundred thirty-one billion, eight million, nine hundred eleven thousand, three hundred ninety-eight".