51155301383 has 2 divisors, whose sum is σ = 51155301384. Its totient is φ = 51155301382.

The previous prime is 51155301371. The next prime is 51155301391. The reversal of 51155301383 is 38310355115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51155301383 - 2⁴ = 51155301367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51155321383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25577650691 + 25577650692.

It is an arithmetic number, because the mean of its divisors is an integer number (25577650692).

Almost surely, 2^51155301383 is an apocalyptic number.

51155301383 is a deficient number, since it is larger than the sum of its proper divisors (1).

51155301383 is an equidigital number, since it uses as much as digits as its factorization.

51155301383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 51155301383 its reverse (38310355115), we get a palindrome (89465656498).

The spelling of 51155301383 in words is "fifty-one billion, one hundred fifty-five million, three hundred one thousand, three hundred eighty-three".