52105153140 has 36 divisors (see below), whose sum is σ = 158052298404. Its totient is φ = 13894707456.

The previous prime is 52105153123. The next prime is 52105153147. The reversal of 52105153140 is 4135150125.

52105153140 is a `hidden beast` number, since 5 + 2 + 1 + 0 + 515 + 3 + 140 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7400816784 + 44704336356 = 86028^2 + 211434^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52105153147) 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, 144736357 + ... + 144736716.

Almost surely, 2^52105153140 is an apocalyptic number.

It is an amenable number.

52105153140 is an abundant number, since it is smaller than the sum of its proper divisors (105947145264).

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

52105153140 is a wasteful number, since it uses less digits than its factorization.

52105153140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289473088 (or 289473083 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 52105153140 in words is "fifty-two billion, one hundred five million, one hundred fifty-three thousand, one hundred forty".