1118790637441 has 9 divisors (see below), whose sum is σ = 1135810180449. Its totient is φ = 1102022459604.

The previous prime is 1118790637427. The next prime is 1118790637451. The reversal of 1118790637441 is 1447360978111.

The square root of 1118790637441 is 1057729.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1118790637441 - 2²⁹ = 1118253766529 is a prime.

It is a super-2 number, since 2×1118790637441² (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 (1118790637411) 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 8 ways as a sum of consecutive naturals, for example, 70859950 + ... + 70875736.

It is an arithmetic number, because the mean of its divisors is an integer number (126201131161).

Almost surely, 2^{1118790637441} is an apocalyptic number.

1118790637441 is the 1057729-th square number.

1118790637441 is the 528865-th centered octagonal number.

It is an amenable number.

1118790637441 is a deficient number, since it is larger than the sum of its proper divisors (17019543008).

1118790637441 is an frugal number, since it uses more digits than its factorization.

1118790637441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31708 (or 15854 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 1118790637441 in words is "one trillion, one hundred eighteen billion, seven hundred ninety million, six hundred thirty-seven thousand, four hundred forty-one".