11512016377 has 8 divisors (see below), whose sum is σ = 11885084672. Its totient is φ = 11139055200.

The previous prime is 11512016371. The next prime is 11512016387. The reversal of 11512016377 is 77361021511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11512016377 - 2⁷ = 11512016249 is a prime.

It is a super-2 number, since 2×11512016377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11512016371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231253 + ... + 276589.

It is an arithmetic number, because the mean of its divisors is an integer number (1485635584).

Almost surely, 2^11512016377 is an apocalyptic number.

It is an amenable number.

11512016377 is a deficient number, since it is larger than the sum of its proper divisors (373068295).

11512016377 is an equidigital number, since it uses as much as digits as its factorization.

11512016377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53559.

The product of its (nonzero) digits is 8820, while the sum is 34.

Adding to 11512016377 its reverse (77361021511), we get a palindrome (88873037888).

The spelling of 11512016377 in words is "eleven billion, five hundred twelve million, sixteen thousand, three hundred seventy-seven".