51103143542153 has 4 divisors (see below), whose sum is σ = 51107018822160. Its totient is φ = 51099268262148.

The previous prime is 51103143542149. The next prime is 51103143542159. The reversal of 51103143542153 is 35124534130115.

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 51103143542153 - 2² = 51103143542149 is a prime.

It is a super-2 number, since 2×51103143542153² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51103143542159) 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, 1937620223 + ... + 1937646596.

It is an arithmetic number, because the mean of its divisors is an integer number (12776754705540).

Almost surely, 2^{51103143542153} is an apocalyptic number.

It is an amenable number.

51103143542153 is a deficient number, since it is larger than the sum of its proper divisors (3875280007).

51103143542153 is a wasteful number, since it uses less digits than its factorization.

51103143542153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875280006.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 51103143542153 its reverse (35124534130115), we get a palindrome (86227677672268).

The spelling of 51103143542153 in words is "fifty-one trillion, one hundred three billion, one hundred forty-three million, five hundred forty-two thousand, one hundred fifty-three".