1200463145155 has 8 divisors (see below), whose sum is σ = 1440563088384. Its totient is φ = 960365640000.

The previous prime is 1200463145137. The next prime is 1200463145173. The reversal of 1200463145155 is 5515413640021.

It is an interprime number because it is at equal distance from previous prime (1200463145137) and next prime (1200463145173).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200463145155 - 2¹¹ = 1200463143107 is a prime.

It is a super-2 number, since 2×1200463145155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748990 + ... + 1721020.

It is an arithmetic number, because the mean of its divisors is an integer number (180070386048).

Almost surely, 2^{1200463145155} is an apocalyptic number.

1200463145155 is a deficient number, since it is larger than the sum of its proper divisors (240099943229).

1200463145155 is an equidigital number, since it uses as much as digits as its factorization.

1200463145155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219037.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 1200463145155 its reverse (5515413640021), we get a palindrome (6715876785176).

The spelling of 1200463145155 in words is "one trillion, two hundred billion, four hundred sixty-three million, one hundred forty-five thousand, one hundred fifty-five".