511241040254 has 32 divisors (see below), whose sum is σ = 888194850816. Its totient is φ = 216176960160.

The previous prime is 511241040181. The next prime is 511241040259. The reversal of 511241040254 is 452040142115.

It is a happy number.

It is a super-2 number, since 2×511241040254² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511241040259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472484 + ... + 1116119.

It is an arithmetic number, because the mean of its divisors is an integer number (27756089088).

Almost surely, 2^511241040254 is an apocalyptic number.

511241040254 is a deficient number, since it is larger than the sum of its proper divisors (376953810562).

511241040254 is a wasteful number, since it uses less digits than its factorization.

511241040254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588920.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 511241040254 its reverse (452040142115), we get a palindrome (963281182369).

The spelling of 511241040254 in words is "five hundred eleven billion, two hundred forty-one million, forty thousand, two hundred fifty-four".