1055656206156 has 12 divisors (see below), whose sum is σ = 2463197814392. Its totient is φ = 351885402048.

The previous prime is 1055656206139. The next prime is 1055656206197. The reversal of 1055656206156 is 6516026565501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1055656206156³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43985675245 + ... + 43985675268.

Almost surely, 2^{1055656206156} is an apocalyptic number.

It is an amenable number.

1055656206156 is an abundant number, since it is smaller than the sum of its proper divisors (1407541608236).

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

1055656206156 is a wasteful number, since it uses less digits than its factorization.

1055656206156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87971350520 (or 87971350518 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 1055656206156 in words is "one trillion, fifty-five billion, six hundred fifty-six million, two hundred six thousand, one hundred fifty-six".