1065511556002 has 4 divisors (see below), whose sum is σ = 1598267334006. Its totient is φ = 532755778000.

The previous prime is 1065511555987. The next prime is 1065511556003. The reversal of 1065511556002 is 2006551155601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 979563493441 + 85948062561 = 989729^2 + 293169^2 .

It is a super-2 number, since 2×1065511556002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065511556003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266377888999 + ... + 266377889002.

Almost surely, 2^{1065511556002} is an apocalyptic number.

1065511556002 is a deficient number, since it is larger than the sum of its proper divisors (532755778004).

1065511556002 is an equidigital number, since it uses as much as digits as its factorization.

1065511556002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532755778003.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 1065511556002 in words is "one trillion, sixty-five billion, five hundred eleven million, five hundred fifty-six thousand, two".