1018725738732 has 120 divisors (see below), whose sum is σ = 2872407831216. Its totient is φ = 312973206912.

The previous prime is 1018725738731. The next prime is 1018725738757. The reversal of 1018725738732 is 2378375278101.

1018725738732 is a `hidden beast` number, since 1 + 0 + 1 + 8 + 7 + 257 + 387 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1018725738731) 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 39 ways as a sum of consecutive naturals, for example, 2565243 + ... + 2935629.

Almost surely, 2^{1018725738732} is an apocalyptic number.

1018725738732 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 1018725738732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436203915608).

1018725738732 is an abundant number, since it is smaller than the sum of its proper divisors (1853682092484).

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

1018725738732 is a wasteful number, since it uses less digits than its factorization.

1018725738732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371069 (or 371058 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 1018725738732 in words is "one trillion, eighteen billion, seven hundred twenty-five million, seven hundred thirty-eight thousand, seven hundred thirty-two".