1361254221035 has 16 divisors (see below), whose sum is σ = 1687942705152. Its totient is φ = 1052784280800.

The previous prime is 1361254221029. The next prime is 1361254221043. The reversal of 1361254221035 is 5301224521631.

It is a de Polignac number, because none of the positive numbers 2^k-1361254221035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1361254220986 and 1361254221004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4391111 + ... + 4690880.

It is an arithmetic number, because the mean of its divisors is an integer number (105496419072).

Almost surely, 2^{1361254221035} is an apocalyptic number.

1361254221035 is a deficient number, since it is larger than the sum of its proper divisors (326688484117).

1361254221035 is an equidigital number, since it uses as much as digits as its factorization.

1361254221035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082994.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 1361254221035 its reverse (5301224521631), we get a palindrome (6662478742666).

The spelling of 1361254221035 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, two hundred twenty-one thousand, thirty-five".