1135624621613 has 4 divisors (see below), whose sum is σ = 1195394338560. Its totient is φ = 1075854904668.

The previous prime is 1135624621529. The next prime is 1135624621711. The reversal of 1135624621613 is 3161264265311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1135624621613 - 2⁸ = 1135624621357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135624626613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29884858445 + ... + 29884858482.

It is an arithmetic number, because the mean of its divisors is an integer number (298848584640).

Almost surely, 2^{1135624621613} is an apocalyptic number.

It is an amenable number.

1135624621613 is a deficient number, since it is larger than the sum of its proper divisors (59769716947).

1135624621613 is an equidigital number, since it uses as much as digits as its factorization.

1135624621613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59769716946.

The product of its digits is 155520, while the sum is 41.

Adding to 1135624621613 its reverse (3161264265311), we get a palindrome (4296888886924).

The spelling of 1135624621613 in words is "one trillion, one hundred thirty-five billion, six hundred twenty-four million, six hundred twenty-one thousand, six hundred thirteen".