1152542541101 has 12 divisors (see below), whose sum is σ = 1340861756220. Its totient is φ = 987783814080.

The previous prime is 1152542541097. The next prime is 1152542541103. The reversal of 1152542541101 is 1011452452511.

It can be written as a sum of positive squares in 2 ways, for example, as 1036415622025 + 116126919076 = 1018045^2 + 340774^2 .

It is not a de Polignac number, because 1152542541101 - 2² = 1152542541097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152542541103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 860120 + ... + 1744961.

It is an arithmetic number, because the mean of its divisors is an integer number (111738479685).

Almost surely, 2^{1152542541101} is an apocalyptic number.

It is an amenable number.

1152542541101 is a deficient number, since it is larger than the sum of its proper divisors (188319215119).

1152542541101 is an equidigital number, since it uses as much as digits as its factorization.

1152542541101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614124 (or 2614117 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

Adding to 1152542541101 its reverse (1011452452511), we get a palindrome (2163994993612).

The spelling of 1152542541101 in words is "one trillion, one hundred fifty-two billion, five hundred forty-two million, five hundred forty-one thousand, one hundred one".