118635728605761 has 8 divisors (see below), whose sum is σ = 159811703139424. Its totient is φ = 78275119904640.

The previous prime is 118635728605747. The next prime is 118635728605811. The reversal of 118635728605761 is 167506827536811.

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

It is not a de Polignac number, because 118635728605761 - 2⁶ = 118635728605697 is a prime.

It is a super-2 number, since 2×118635728605761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118635728605692 and 118635728605701.

It is not an unprimeable number, because it can be changed into a prime (118635728645761) 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, 203841457795 + ... + 203841458376.

It is an arithmetic number, because the mean of its divisors is an integer number (19976462892428).

Almost surely, 2^{118635728605761} is an apocalyptic number.

It is an amenable number.

118635728605761 is a deficient number, since it is larger than the sum of its proper divisors (41175974533663).

118635728605761 is an equidigital number, since it uses as much as digits as its factorization.

118635728605761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407682916271.

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 118635728605761 in words is "one hundred eighteen trillion, six hundred thirty-five billion, seven hundred twenty-eight million, six hundred five thousand, seven hundred sixty-one".