1211705011514 has 16 divisors (see below), whose sum is σ = 1834687713600. Its totient is φ = 600143327424.

The previous prime is 1211705011507. The next prime is 1211705011519. The reversal of 1211705011514 is 4151105071121.

It is not an unprimeable number, because it can be changed into a prime (1211705011519) 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 7 ways as a sum of consecutive naturals, for example, 2600882 + ... + 3031170.

It is an arithmetic number, because the mean of its divisors is an integer number (114667982100).

Almost surely, 2^{1211705011514} is an apocalyptic number.

1211705011514 is a deficient number, since it is larger than the sum of its proper divisors (622982702086).

1211705011514 is a wasteful number, since it uses less digits than its factorization.

1211705011514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443557.

The product of its (nonzero) digits is 1400, while the sum is 29.

The spelling of 1211705011514 in words is "one trillion, two hundred eleven billion, seven hundred five million, eleven thousand, five hundred fourteen".