511225400354131 has 2 divisors, whose sum is σ = 511225400354132. Its totient is φ = 511225400354130.

The previous prime is 511225400354099. The next prime is 511225400354143. The reversal of 511225400354131 is 131453004522115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511225400354131 - 2⁵ = 511225400354099 is a prime.

It is a super-2 number, since 2×511225400354131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511225400357131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255612700177065 + 255612700177066.

It is an arithmetic number, because the mean of its divisors is an integer number (255612700177066).

Almost surely, 2^{511225400354131} is an apocalyptic number.

511225400354131 is a deficient number, since it is larger than the sum of its proper divisors (1).

511225400354131 is an equidigital number, since it uses as much as digits as its factorization.

511225400354131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 511225400354131 its reverse (131453004522115), we get a palindrome (642678404876246).

The spelling of 511225400354131 in words is "five hundred eleven trillion, two hundred twenty-five billion, four hundred million, three hundred fifty-four thousand, one hundred thirty-one".