1052644268655 has 120 divisors (see below), whose sum is σ = 2248577044560. Its totient is φ = 469471645440.

The previous prime is 1052644268639. The next prime is 1052644268659. The reversal of 1052644268655 is 5568624462501.

1052644268655 is a `hidden beast` number, since 1 + 0 + 526 + 4 + 4 + 2 + 68 + 6 + 55 = 666.

It is not a de Polignac number, because 1052644268655 - 2⁴ = 1052644268639 is a prime.

It is a super-2 number, since 2×1052644268655² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052644268659) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 166776 + ... + 1460514.

It is an arithmetic number, because the mean of its divisors is an integer number (18738142038).

Almost surely, 2^{1052644268655} is an apocalyptic number.

1052644268655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1052644268655 is an abundant number, since it is smaller than the sum of its proper divisors (1195932775905).

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

1052644268655 is a wasteful number, since it uses less digits than its factorization.

1052644268655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293811 (or 1293795 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 1052644268655 in words is "one trillion, fifty-two billion, six hundred forty-four million, two hundred sixty-eight thousand, six hundred fifty-five".