1061518403723 has 16 divisors (see below), whose sum is σ = 1099567180800. Its totient is φ = 1023566668320.

The previous prime is 1061518403717. The next prime is 1061518403747. The reversal of 1061518403723 is 3273048151601.

It is a cyclic number.

It is not a de Polignac number, because 1061518403723 - 2¹⁴ = 1061518387339 is a prime.

It is a super-2 number, since 2×1061518403723² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061518403783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171126740 + ... + 171132942.

It is an arithmetic number, because the mean of its divisors is an integer number (68722948800).

Almost surely, 2^{1061518403723} is an apocalyptic number.

1061518403723 is a deficient number, since it is larger than the sum of its proper divisors (38048777077).

1061518403723 is a wasteful number, since it uses less digits than its factorization.

1061518403723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 1061518403723 in words is "one trillion, sixty-one billion, five hundred eighteen million, four hundred three thousand, seven hundred twenty-three".