36113142421 has 16 divisors (see below), whose sum is σ = 37928995200. Its totient is φ = 34318132288.

The previous prime is 36113142407. The next prime is 36113142427. The reversal of 36113142421 is 12424131163.

It is a cyclic number.

It is not a de Polignac number, because 36113142421 - 2¹³ = 36113134229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36113142421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36113142427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5253975 + ... + 5260843.

It is an arithmetic number, because the mean of its divisors is an integer number (2370562200).

Almost surely, 2^36113142421 is an apocalyptic number.

It is an amenable number.

36113142421 is a deficient number, since it is larger than the sum of its proper divisors (1815852779).

36113142421 is a wasteful number, since it uses less digits than its factorization.

36113142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348.

The product of its digits is 3456, while the sum is 28.

Adding to 36113142421 its reverse (12424131163), we get a palindrome (48537273584).

The spelling of 36113142421 in words is "thirty-six billion, one hundred thirteen million, one hundred forty-two thousand, four hundred twenty-one".