11601535377747 has 32 divisors (see below), whose sum is σ = 17849954805760. Its totient is φ = 6565227500160.

The previous prime is 11601535377713. The next prime is 11601535377763. The reversal of 11601535377747 is 74777353510611.

It is a happy number.

It is not a de Polignac number, because 11601535377747 - 2¹⁰ = 11601535376723 is a prime.

It is a super-2 number, since 2×11601535377747² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11601535376747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3113622 + ... + 5735652.

It is an arithmetic number, because the mean of its divisors is an integer number (557811087680).

Almost surely, 2^{11601535377747} is an apocalyptic number.

11601535377747 is a deficient number, since it is larger than the sum of its proper divisors (6248419428013).

11601535377747 is a wasteful number, since it uses less digits than its factorization.

11601535377747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624083.

The product of its (nonzero) digits is 12965400, while the sum is 57.

The spelling of 11601535377747 in words is "eleven trillion, six hundred one billion, five hundred thirty-five million, three hundred seventy-seven thousand, seven hundred forty-seven".