1055566011015 has 64 divisors (see below), whose sum is σ = 1991475763200. Its totient is φ = 528645284352.

The previous prime is 1055566011011. The next prime is 1055566011041. The reversal of 1055566011015 is 5101106655501.

It is a happy number.

1055566011015 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1055566011015 - 2² = 1055566011011 is a prime.

It is a super-2 number, since 2×1055566011015² (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 (1055566011011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 483654 + ... + 1531356.

It is an arithmetic number, because the mean of its divisors is an integer number (31116808800).

Almost surely, 2^{1055566011015} is an apocalyptic number.

1055566011015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055566011015 is a deficient number, since it is larger than the sum of its proper divisors (935909752185).

1055566011015 is a wasteful number, since it uses less digits than its factorization.

1055566011015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048173 (or 1048167 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 1055566011015 in words is "one trillion, fifty-five billion, five hundred sixty-six million, eleven thousand, fifteen".