1055505600987 has 16 divisors (see below), whose sum is σ = 1468953927168. Its totient is φ = 672881520960.

The previous prime is 1055505600983. The next prime is 1055505601001. The reversal of 1055505600987 is 7890065055501.

It is a happy number.

1055505600987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1055505600987 - 2² = 1055505600983 is a prime.

It is a super-2 number, since 2×1055505600987² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055505600983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969714 + ... + 2447607.

It is an arithmetic number, because the mean of its divisors is an integer number (91809620448).

Almost surely, 2^{1055505600987} is an apocalyptic number.

1055505600987 is a deficient number, since it is larger than the sum of its proper divisors (413448326181).

1055505600987 is a wasteful number, since it uses less digits than its factorization.

1055505600987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420810.

The product of its (nonzero) digits is 1890000, while the sum is 51.

The spelling of 1055505600987 in words is "one trillion, fifty-five billion, five hundred five million, six hundred thousand, nine hundred eighty-seven".