5236121385 has 24 divisors (see below), whose sum is σ = 9901030464. Its totient is φ = 2538725280.

The previous prime is 5236121353. The next prime is 5236121417. The reversal of 5236121385 is 5831216325.

5236121385 is a `hidden beast` number, since 5 + 2 + 3 + 612 + 1 + 38 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (5236121353) and next prime (5236121417).

It is not a de Polignac number, because 5236121385 - 2⁵ = 5236121353 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5288517 + ... + 5289506.

It is an arithmetic number, because the mean of its divisors is an integer number (412542936).

Almost surely, 2^5236121385 is an apocalyptic number.

5236121385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5236121385 is a deficient number, since it is larger than the sum of its proper divisors (4664909079).

5236121385 is a wasteful number, since it uses less digits than its factorization.

5236121385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578045 (or 10578042 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 5236121385 is about 72361.0488108070. The cubic root of 5236121385 is about 1736.4804650325.

It can be divided in two parts, 5236 and 121385, that added together give a palindrome (126621).

The spelling of 5236121385 in words is "five billion, two hundred thirty-six million, one hundred twenty-one thousand, three hundred eighty-five".