1015646140452 has 24 divisors (see below), whose sum is σ = 2369862292896. Its totient is φ = 338545670848.

The previous prime is 1015646140441. The next prime is 1015646140499. The reversal of 1015646140452 is 2540416465101.

It is a super-3 number, since 3×1015646140452³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1015646140452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311583 + ... + 1936889.

It is an arithmetic number, because the mean of its divisors is an integer number (98744262204).

Almost surely, 2^{1015646140452} is an apocalyptic number.

1015646140452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1015646140452 is an abundant number, since it is smaller than the sum of its proper divisors (1354216152444).

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

1015646140452 is a wasteful number, since it uses less digits than its factorization.

1015646140452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760667 (or 760665 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 1015646140452 in words is "one trillion, fifteen billion, six hundred forty-six million, one hundred forty thousand, four hundred fifty-two".