1061518403718 has 80 divisors (see below), whose sum is σ = 2382828645120. Its totient is φ = 353209248000.

The previous prime is 1061518403717. The next prime is 1061518403747. The reversal of 1061518403718 is 8173048151601.

1061518403718 is a `hidden beast` number, since 1 + 0 + 61 + 518 + 4 + 0 + 3 + 71 + 8 = 666.

It is a super-2 number, since 2×1061518403718² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061518403717) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 286198848 + ... + 286202556.

It is an arithmetic number, because the mean of its divisors is an integer number (29785358064).

Almost surely, 2^{1061518403718} is an apocalyptic number.

1061518403718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1061518403718 is an abundant number, since it is smaller than the sum of its proper divisors (1321310241402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061518403718 is a wasteful number, since it uses less digits than its factorization.

1061518403718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 1061518403718 in words is "one trillion, sixty-one billion, five hundred eighteen million, four hundred three thousand, seven hundred eighteen".