1154401202441 has 2 divisors, whose sum is σ = 1154401202442. Its totient is φ = 1154401202440.

The previous prime is 1154401202429. The next prime is 1154401202587. The reversal of 1154401202441 is 1442021044511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1029421276816 + 124979925625 = 1014604^2 + 353525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154401202441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154401202401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577200601220 + 577200601221.

It is an arithmetic number, because the mean of its divisors is an integer number (577200601221).

Almost surely, 2^{1154401202441} is an apocalyptic number.

It is an amenable number.

1154401202441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154401202441 is an equidigital number, since it uses as much as digits as its factorization.

1154401202441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 1154401202441 its reverse (1442021044511), we get a palindrome (2596422246952).

The spelling of 1154401202441 in words is "one trillion, one hundred fifty-four billion, four hundred one million, two hundred two thousand, four hundred forty-one".