1018257539712 has 512 divisors, whose sum is σ = 3473371238400. Its totient is φ = 257457192960.

The previous prime is 1018257539699. The next prime is 1018257539779. The reversal of 1018257539712 is 2179357528101.

It is a happy number.

It is a super-3 number, since 3×1018257539712³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62001262 + ... + 62017682.

It is an arithmetic number, because the mean of its divisors is an integer number (6783928200).

Almost surely, 2^{1018257539712} is an apocalyptic number.

1018257539712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018257539712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736685619200).

1018257539712 is an abundant number, since it is smaller than the sum of its proper divisors (2455113698688).

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

1018257539712 is a wasteful number, since it uses less digits than its factorization.

1018257539712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16544 (or 16532 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 1018257539712 in words is "one trillion, eighteen billion, two hundred fifty-seven million, five hundred thirty-nine thousand, seven hundred twelve".