1601105507 has 4 divisors (see below), whose sum is σ = 1602566136. Its totient is φ = 1599644880.

The previous prime is 1601105503. The next prime is 1601105531. The reversal of 1601105507 is 7055011061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7055011061 = 7 ⋅1007858723.

It is a cyclic number.

It is not a de Polignac number, because 1601105507 - 2² = 1601105503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601105503) 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, 728669 + ... + 730862.

It is an arithmetic number, because the mean of its divisors is an integer number (400641534).

Almost surely, 2^1601105507 is an apocalyptic number.

1601105507 is a deficient number, since it is larger than the sum of its proper divisors (1460629).

1601105507 is a wasteful number, since it uses less digits than its factorization.

1601105507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460628.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 1601105507 is about 40013.8164513209. The cubic root of 1601105507 is about 1169.8764101075.

Adding to 1601105507 its reverse (7055011061), we get a palindrome (8656116568).

The spelling of 1601105507 in words is "one billion, six hundred one million, one hundred five thousand, five hundred seven".