1151556055016 has 8 divisors (see below), whose sum is σ = 2159167603170. Its totient is φ = 575778027504.

The previous prime is 1151556055003. The next prime is 1151556055019. The reversal of 1151556055016 is 6105506551511.

It can be written as a sum of positive squares in only one way, i.e., 689082612100 + 462473442916 = 830110^2 + 680054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1151556055019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71972253431 + ... + 71972253446.

Almost surely, 2^{1151556055016} is an apocalyptic number.

It is an amenable number.

1151556055016 is a deficient number, since it is larger than the sum of its proper divisors (1007611548154).

1151556055016 is a wasteful number, since it uses less digits than its factorization.

1151556055016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143944506883 (or 143944506879 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 1151556055016 in words is "one trillion, one hundred fifty-one billion, five hundred fifty-six million, fifty-five thousand, sixteen".