1187738325810 has 96 divisors (see below), whose sum is σ = 3093905662848. Its totient is φ = 316137381120.

The previous prime is 1187738325799. The next prime is 1187738325811. The reversal of 1187738325810 is 185238377811.

1187738325810 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 7 + 383 + 258 + 1 + 0 = 666.

It is a super-2 number, since 2×1187738325810² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1187738325811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116863789 + ... + 116873951.

It is an arithmetic number, because the mean of its divisors is an integer number (32228183988).

Almost surely, 2^{1187738325810} is an apocalyptic number.

1187738325810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1187738325810 is an abundant number, since it is smaller than the sum of its proper divisors (1906167337038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1187738325810 is a wasteful number, since it uses less digits than its factorization.

1187738325810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12480 (or 12477 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 1187738325810 in words is "one trillion, one hundred eighty-seven billion, seven hundred thirty-eight million, three hundred twenty-five thousand, eight hundred ten".