1601137049011 has 4 divisors (see below), whose sum is σ = 1601207060832. Its totient is φ = 1601067037192.

The previous prime is 1601137048997. The next prime is 1601137049051. The reversal of 1601137049011 is 1109407311061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1601137049011 - 2¹¹ = 1601137046963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601137049051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34971595 + ... + 35017348.

It is an arithmetic number, because the mean of its divisors is an integer number (400301765208).

Almost surely, 2^{1601137049011} is an apocalyptic number.

1601137049011 is a deficient number, since it is larger than the sum of its proper divisors (70011821).

1601137049011 is an equidigital number, since it uses as much as digits as its factorization.

1601137049011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70011820.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 1601137049011 in words is "one trillion, six hundred one billion, one hundred thirty-seven million, forty-nine thousand, eleven".