1200502157311 has 4 divisors (see below), whose sum is σ = 1263686481400. Its totient is φ = 1137317833224.

The previous prime is 1200502157291. The next prime is 1200502157339. The reversal of 1200502157311 is 1137512050021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200502157311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200502157311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200502157111) 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 3 ways as a sum of consecutive naturals, for example, 31592162016 + ... + 31592162053.

It is an arithmetic number, because the mean of its divisors is an integer number (315921620350).

Almost surely, 2^{1200502157311} is an apocalyptic number.

1200502157311 is a deficient number, since it is larger than the sum of its proper divisors (63184324089).

1200502157311 is an equidigital number, since it uses as much as digits as its factorization.

1200502157311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63184324088.

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 1200502157311 in words is "one trillion, two hundred billion, five hundred two million, one hundred fifty-seven thousand, three hundred eleven".