511121523534252 has 48 divisors (see below), whose sum is σ = 1201814273876832. Its totient is φ = 169060947896320.

The previous prime is 511121523534067. The next prime is 511121523534257. The reversal of 511121523534252 is 252435325121115.

It is a super-2 number, since 2×511121523534252² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511121523534257) 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, 59670153 + ... + 67696160.

It is an arithmetic number, because the mean of its divisors is an integer number (25037797372434).

Almost surely, 2^{511121523534252} is an apocalyptic number.

It is an amenable number.

511121523534252 is an abundant number, since it is smaller than the sum of its proper divisors (690692750342580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511121523534252 is a wasteful number, since it uses less digits than its factorization.

511121523534252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127368898 (or 127368896 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

Adding to 511121523534252 its reverse (252435325121115), we get a palindrome (763556848655367).

The spelling of 511121523534252 in words is "five hundred eleven trillion, one hundred twenty-one billion, five hundred twenty-three million, five hundred thirty-four thousand, two hundred fifty-two".