511053619049 has 2 divisors, whose sum is σ = 511053619050. Its totient is φ = 511053619048.

The previous prime is 511053619039. The next prime is 511053619093. The reversal of 511053619049 is 940916350115.

It is an a-pointer prime, because the next prime (511053619093) can be obtained adding 511053619049 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420396624400 + 90656994649 = 648380^2 + 301093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511053619049 is a prime.

It is a super-2 number, since 2×511053619049² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511053619009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255526809524 + 255526809525.

It is an arithmetic number, because the mean of its divisors is an integer number (255526809525).

Almost surely, 2^511053619049 is an apocalyptic number.

It is an amenable number.

511053619049 is a deficient number, since it is larger than the sum of its proper divisors (1).

511053619049 is an equidigital number, since it uses as much as digits as its factorization.

511053619049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 511053619049 in words is "five hundred eleven billion, fifty-three million, six hundred nineteen thousand, forty-nine".