1052131455540 has 144 divisors (see below), whose sum is σ = 3686398672320. Its totient is φ = 240058506240.

The previous prime is 1052131455517. The next prime is 1052131455547. The reversal of 1052131455540 is 455541312501.

1052131455540 is a `hidden beast` number, since 1 + 0 + 52 + 1 + 3 + 14 + 55 + 540 = 666.

It is a super-2 number, since 2×1052131455540² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1052131455495 and 1052131455504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052131455547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15595150 + ... + 15662469.

It is an arithmetic number, because the mean of its divisors is an integer number (25599990780).

Almost surely, 2^{1052131455540} is an apocalyptic number.

1052131455540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052131455540 is an abundant number, since it is smaller than the sum of its proper divisors (2634267216780).

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

1052131455540 is a wasteful number, since it uses less digits than its factorization.

1052131455540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31257662 (or 31257657 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 1052131455540 in words is "one trillion, fifty-two billion, one hundred thirty-one million, four hundred fifty-five thousand, five hundred forty".