1155434088401 has 4 divisors (see below), whose sum is σ = 1167345780132. Its totient is φ = 1143522396672.

The previous prime is 1155434088313. The next prime is 1155434088407. The reversal of 1155434088401 is 1048804345511.

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 187917915025 + 967516173376 = 433495^2 + 983624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155434088401 - 2¹⁴ = 1155434072017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1155434088407) 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, 5955845720 + ... + 5955845913.

It is an arithmetic number, because the mean of its divisors is an integer number (291836445033).

Almost surely, 2^{1155434088401} is an apocalyptic number.

It is an amenable number.

1155434088401 is a deficient number, since it is larger than the sum of its proper divisors (11911691731).

1155434088401 is an equidigital number, since it uses as much as digits as its factorization.

1155434088401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911691730.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 1155434088401 in words is "one trillion, one hundred fifty-five billion, four hundred thirty-four million, eighty-eight thousand, four hundred one".