1127205114505 has 4 divisors (see below), whose sum is σ = 1352646137412. Its totient is φ = 901764091600.

The previous prime is 1127205114499. The next prime is 1127205114571. The reversal of 1127205114505 is 5054115027211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 290265570169 + 836939544336 = 538763^2 + 914844^2 .

It is not a de Polignac number, because 1127205114505 - 2¹⁹ = 1127204590217 is a prime.

It is a super-2 number, since 2×1127205114505² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112720511446 + ... + 112720511455.

It is an arithmetic number, because the mean of its divisors is an integer number (338161534353).

Almost surely, 2^{1127205114505} is an apocalyptic number.

It is an amenable number.

1127205114505 is a deficient number, since it is larger than the sum of its proper divisors (225441022907).

1127205114505 is an equidigital number, since it uses as much as digits as its factorization.

1127205114505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225441022906.

The product of its (nonzero) digits is 14000, while the sum is 34.

It can be divided in two parts, 112720 and 5114505, that added together give a palindrome (5227225).

The spelling of 1127205114505 in words is "one trillion, one hundred twenty-seven billion, two hundred five million, one hundred fourteen thousand, five hundred five".