1011420504305 has 32 divisors (see below), whose sum is σ = 1287784147968. Its totient is φ = 760944729600.

The previous prime is 1011420504293. The next prime is 1011420504307. The reversal of 1011420504305 is 5034050241101.

It is not a de Polignac number, because 1011420504305 - 2⁸ = 1011420504049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011420504307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17136245 + ... + 17195165.

It is an arithmetic number, because the mean of its divisors is an integer number (40243254624).

Almost surely, 2^{1011420504305} is an apocalyptic number.

It is an amenable number.

1011420504305 is a deficient number, since it is larger than the sum of its proper divisors (276363643663).

1011420504305 is a wasteful number, since it uses less digits than its factorization.

1011420504305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61457.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1011420504305 its reverse (5034050241101), we get a palindrome (6045470745406).

The spelling of 1011420504305 in words is "one trillion, eleven billion, four hundred twenty million, five hundred four thousand, three hundred five".