1056278544541 has 16 divisors (see below), whose sum is σ = 1165912197120. Its totient is φ = 948958960320.

The previous prime is 1056278544539. The next prime is 1056278544551. The reversal of 1056278544541 is 1454458726501.

It is a cyclic number.

It is not a de Polignac number, because 1056278544541 - 2¹ = 1056278544539 is a prime.

It is a super-2 number, since 2×1056278544541² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056278544551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690870 + ... + 1609303.

It is an arithmetic number, because the mean of its divisors is an integer number (72869512320).

Almost surely, 2^{1056278544541} is an apocalyptic number.

1056278544541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1056278544541 is a deficient number, since it is larger than the sum of its proper divisors (109633652579).

1056278544541 is a wasteful number, since it uses less digits than its factorization.

1056278544541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300676.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 1056278544541 in words is "one trillion, fifty-six billion, two hundred seventy-eight million, five hundred forty-four thousand, five hundred forty-one".