1177129535413 has 4 divisors (see below), whose sum is σ = 1267677961228. Its totient is φ = 1086581109600.

The previous prime is 1177129535389. The next prime is 1177129535447. The reversal of 1177129535413 is 3145359217711.

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 212330188849 + 964799346564 = 460793^2 + 982242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1177129535413 - 2²¹ = 1177127438261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177129535513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45274212888 + ... + 45274212913.

It is an arithmetic number, because the mean of its divisors is an integer number (316919490307).

Almost surely, 2^{1177129535413} is an apocalyptic number.

1177129535413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1177129535413 is a deficient number, since it is larger than the sum of its proper divisors (90548425815).

1177129535413 is an equidigital number, since it uses as much as digits as its factorization.

1177129535413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90548425814.

The product of its digits is 793800, while the sum is 49.

The spelling of 1177129535413 in words is "one trillion, one hundred seventy-seven billion, one hundred twenty-nine million, five hundred thirty-five thousand, four hundred thirteen".