75118912452 has 36 divisors (see below), whose sum is σ = 201053561436. Its totient is φ = 23566717440.

The previous prime is 75118912339. The next prime is 75118912457. The reversal of 75118912452 is 25421981157.

75118912452 is a `hidden beast` number, since 7 + 5 + 1 + 189 + 12 + 452 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61929308736 + 13189603716 = 248856^2 + 114846^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 75118912398 and 75118912407.

It is not an unprimeable number, because it can be changed into a prime (75118912457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61371049 + ... + 61372272.

It is an arithmetic number, because the mean of its divisors is an integer number (5584821151).

Almost surely, 2^75118912452 is an apocalyptic number.

It is an amenable number.

75118912452 is an abundant number, since it is smaller than the sum of its proper divisors (125934648984).

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

75118912452 is a wasteful number, since it uses less digits than its factorization.

75118912452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122743348 (or 122743343 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The spelling of 75118912452 in words is "seventy-five billion, one hundred eighteen million, nine hundred twelve thousand, four hundred fifty-two".