1156100016055 has 32 divisors (see below), whose sum is σ = 1515906754560. Its totient is φ = 844084160640.

The previous prime is 1156100016031. The next prime is 1156100016059. The reversal of 1156100016055 is 5506100016511.

It is not a de Polignac number, because 1156100016055 - 2¹¹ = 1156100014007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156100016059) 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 31 ways as a sum of consecutive naturals, for example, 2797377 + ... + 3183946.

It is an arithmetic number, because the mean of its divisors is an integer number (47372086080).

Almost surely, 2^{1156100016055} is an apocalyptic number.

1156100016055 is a deficient number, since it is larger than the sum of its proper divisors (359806738505).

1156100016055 is a wasteful number, since it uses less digits than its factorization.

1156100016055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981431.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 1156100016055 in words is "one trillion, one hundred fifty-six billion, one hundred million, sixteen thousand, fifty-five".