1018725648787 has 12 divisors (see below), whose sum is σ = 1292779859256. Its totient is φ = 793812193440.

The previous prime is 1018725648781. The next prime is 1018725648827. The reversal of 1018725648787 is 7878465278101.

It is not a de Polignac number, because 1018725648787 - 2¹¹ = 1018725646739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018725648781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945013978 + ... + 945015055.

It is an arithmetic number, because the mean of its divisors is an integer number (107731654938).

Almost surely, 2^{1018725648787} is an apocalyptic number.

1018725648787 is a deficient number, since it is larger than the sum of its proper divisors (274054210469).

1018725648787 is a wasteful number, since it uses less digits than its factorization.

1018725648787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890029058 (or 1890029051 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 64.

The spelling of 1018725648787 in words is "one trillion, eighteen billion, seven hundred twenty-five million, six hundred forty-eight thousand, seven hundred eighty-seven".