1127206430505 has 64 divisors (see below), whose sum is σ = 2053062359040. Its totient is φ = 586469419200.

The previous prime is 1127206430477. The next prime is 1127206430509. The reversal of 1127206430505 is 5050346027211.

1127206430505 is a `hidden beast` number, since 1 + 1 + 2 + 7 + 2 + 0 + 643 + 0 + 5 + 0 + 5 = 666.

It is not a de Polignac number, because 1127206430505 - 2⁷ = 1127206430377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1127206430505.

It is not an unprimeable number, because it can be changed into a prime (1127206430509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4588140 + ... + 4827570.

It is an arithmetic number, because the mean of its divisors is an integer number (32079099360).

Almost surely, 2^{1127206430505} is an apocalyptic number.

1127206430505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1127206430505 is a deficient number, since it is larger than the sum of its proper divisors (925855928535).

1127206430505 is a wasteful number, since it uses less digits than its factorization.

1127206430505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240299 (or 240293 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 1127206430505 in words is "one trillion, one hundred twenty-seven billion, two hundred six million, four hundred thirty thousand, five hundred five".