1127549101477 has 12 divisors (see below), whose sum is σ = 1167635878948. Its totient is φ = 1088707046400.

The previous prime is 1127549101451. The next prime is 1127549101493. The reversal of 1127549101477 is 7741019457211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 702133388356 + 425415713121 = 837934^2 + 652239^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1127549101477 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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 1127549101477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127549101177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3294474 + ... + 3620587.

Almost surely, 2^{1127549101477} is an apocalyptic number.

It is an amenable number.

1127549101477 is a deficient number, since it is larger than the sum of its proper divisors (40086777471).

1127549101477 is an frugal number, since it uses more digits than its factorization.

1127549101477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915240 (or 6915199 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 49.

The spelling of 1127549101477 in words is "one trillion, one hundred twenty-seven billion, five hundred forty-nine million, one hundred one thousand, four hundred seventy-seven".