5155636431 has 16 divisors (see below), whose sum is σ = 7507122048. Its totient is φ = 3121288800.

The previous prime is 5155636429. The next prime is 5155636433. The reversal of 5155636431 is 1346365515.

It is an interprime number because it is at equal distance from previous prime (5155636429) and next prime (5155636433).

It is not a de Polignac number, because 5155636431 - 2¹ = 5155636429 is a prime.

It is a super-4 number, since 4×5155636431⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 5155636431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155636433) 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 15 ways as a sum of consecutive naturals, for example, 51961 + ... + 114066.

It is an arithmetic number, because the mean of its divisors is an integer number (469195128).

Almost surely, 2^5155636431 is an apocalyptic number.

5155636431 is a deficient number, since it is larger than the sum of its proper divisors (2351485617).

5155636431 is a wasteful number, since it uses less digits than its factorization.

5155636431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166982.

The product of its digits is 162000, while the sum is 39.

The square root of 5155636431 is about 71802.7606084891. The cubic root of 5155636431 is about 1727.5372791850.

The spelling of 5155636431 in words is "five billion, one hundred fifty-five million, six hundred thirty-six thousand, four hundred thirty-one".