1187061043459 has 8 divisors (see below), whose sum is σ = 1187815132800. Its totient is φ = 1186307174976.

The previous prime is 1187061043447. The next prime is 1187061043481. The reversal of 1187061043459 is 9543401607811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1187061043459 - 2¹⁵ = 1187061010691 is a prime.

It is a super-2 number, since 2×1187061043459² (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 (1187061043159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11446789 + ... + 11550025.

It is an arithmetic number, because the mean of its divisors is an integer number (148476891600).

Almost surely, 2^{1187061043459} is an apocalyptic number.

1187061043459 is a deficient number, since it is larger than the sum of its proper divisors (754089341).

1187061043459 is a wasteful number, since it uses less digits than its factorization.

1187061043459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110429.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 1187061043459 in words is "one trillion, one hundred eighty-seven billion, sixty-one million, forty-three thousand, four hundred fifty-nine".