1118035761557 has 32 divisors (see below), whose sum is σ = 1350787777920. Its totient is φ = 911906161920.

The previous prime is 1118035761529. The next prime is 1118035761559. The reversal of 1118035761557 is 7551675308111.

It is not a de Polignac number, because 1118035761557 - 2¹⁰ = 1118035760533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118035761559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121619 + ... + 1500287.

It is an arithmetic number, because the mean of its divisors is an integer number (42212118060).

Almost surely, 2^{1118035761557} is an apocalyptic number.

It is an amenable number.

1118035761557 is a deficient number, since it is larger than the sum of its proper divisors (232752016363).

1118035761557 is a wasteful number, since it uses less digits than its factorization.

1118035761557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378853.

The product of its (nonzero) digits is 882000, while the sum is 50.

The spelling of 1118035761557 in words is "one trillion, one hundred eighteen billion, thirty-five million, seven hundred sixty-one thousand, five hundred fifty-seven".