511145154053 has 4 divisors (see below), whose sum is σ = 511197973440. Its totient is φ = 511092334668.

The previous prime is 511145154011. The next prime is 511145154167. The reversal of 511145154053 is 350451541115.

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 511145154053 - 2³⁸ = 236267247109 is a prime.

It is a super-2 number, since 2×511145154053² (a number of 24 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 (511145154853) 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, 26395175 + ... + 26414532.

It is an arithmetic number, because the mean of its divisors is an integer number (127799493360).

Almost surely, 2^511145154053 is an apocalyptic number.

It is an amenable number.

511145154053 is a deficient number, since it is larger than the sum of its proper divisors (52819387).

511145154053 is an equidigital number, since it uses as much as digits as its factorization.

511145154053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52819386.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 511145154053 its reverse (350451541115), we get a palindrome (861596695168).

The spelling of 511145154053 in words is "five hundred eleven billion, one hundred forty-five million, one hundred fifty-four thousand, fifty-three".