1187093053444 has 27 divisors (see below), whose sum is σ = 2101360130751. Its totient is φ = 586781585280.

The previous prime is 1187093053439. The next prime is 1187093053457. The reversal of 1187093053444 is 4443503907811.

The square root of 1187093053444 is 1089538.

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

It can be written as a sum of positive squares in 4 ways, for example, as 577694243844 + 609398809600 = 760062^2 + 780640^2 .

It is a super-2 number, since 2×1187093053444² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 193934704 + ... + 193940824.

Almost surely, 2^{1187093053444} is an apocalyptic number.

1187093053444 is the 1089538-th square number.

It is an amenable number.

1187093053444 is a deficient number, since it is larger than the sum of its proper divisors (914267077307).

1187093053444 is an frugal number, since it uses more digits than its factorization.

1187093053444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424 (or 6212 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Multiplying 1187093053444 by its sum of digits (49), we get a square (58167559618756 = 7626766²).

The spelling of 1187093053444 in words is "one trillion, one hundred eighty-seven billion, ninety-three million, fifty-three thousand, four hundred forty-four".