1211225415315 has 8 divisors (see below), whose sum is σ = 1937960664528. Its totient is φ = 645986888160.

The previous prime is 1211225415269. The next prime is 1211225415329. The reversal of 1211225415315 is 5135145221121.

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

It is not a de Polignac number, because 1211225415315 - 2¹⁰ = 1211225414291 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 40374180496 + ... + 40374180525.

It is an arithmetic number, because the mean of its divisors is an integer number (242245083066).

Almost surely, 2^{1211225415315} is an apocalyptic number.

1211225415315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1211225415315 is a deficient number, since it is larger than the sum of its proper divisors (726735249213).

1211225415315 is an equidigital number, since it uses as much as digits as its factorization.

1211225415315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80748361029.

The product of its digits is 12000, while the sum is 33.

The spelling of 1211225415315 in words is "one trillion, two hundred eleven billion, two hundred twenty-five million, four hundred fifteen thousand, three hundred fifteen".