1155344562101 has 16 divisors (see below), whose sum is σ = 1200039079680. Its totient is φ = 1111444289280.

The previous prime is 1155344562067. The next prime is 1155344562103. The reversal of 1155344562101 is 1012654435511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155344562101 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 (1155344562103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12341396 + ... + 12434658.

It is an arithmetic number, because the mean of its divisors is an integer number (75002442480).

Almost surely, 2^{1155344562101} is an apocalyptic number.

It is an amenable number.

1155344562101 is a deficient number, since it is larger than the sum of its proper divisors (44694517579).

1155344562101 is an equidigital number, since it uses as much as digits as its factorization.

1155344562101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97516.

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 1155344562101 its reverse (1012654435511), we get a palindrome (2167998997612).

The spelling of 1155344562101 in words is "one trillion, one hundred fifty-five billion, three hundred forty-four million, five hundred sixty-two thousand, one hundred one".