51130036445653 has 4 divisors (see below), whose sum is σ = 55778221577088. Its totient is φ = 46481851314220.

The previous prime is 51130036445651. The next prime is 51130036445777. The reversal of 51130036445653 is 35654463003115.

It is a happy number.

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 51130036445653 - 2¹ = 51130036445651 is a prime.

It is a super-2 number, since 2×51130036445653² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51130036445651) 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, 2324092565701 + ... + 2324092565722.

It is an arithmetic number, because the mean of its divisors is an integer number (13944555394272).

Almost surely, 2^{51130036445653} is an apocalyptic number.

It is an amenable number.

51130036445653 is a deficient number, since it is larger than the sum of its proper divisors (4648185131435).

51130036445653 is a wasteful number, since it uses less digits than its factorization.

51130036445653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648185131434.

The product of its (nonzero) digits is 1944000, while the sum is 46.

Adding to 51130036445653 its reverse (35654463003115), we get a palindrome (86784499448768).

The spelling of 51130036445653 in words is "fifty-one trillion, one hundred thirty billion, thirty-six million, four hundred forty-five thousand, six hundred fifty-three".