1187458010057 has 32 divisors (see below), whose sum is σ = 1411984051200. Its totient is φ = 986462971200.

The previous prime is 1187458010003. The next prime is 1187458010071. The reversal of 1187458010057 is 7500108547811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1187458010057 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1187458009993 and 1187458010020.

It is not an unprimeable number, because it can be changed into a prime (1187458010257) 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, 6153878 + ... + 6343904.

It is an arithmetic number, because the mean of its divisors is an integer number (44124501600).

Almost surely, 2^{1187458010057} is an apocalyptic number.

It is an amenable number.

1187458010057 is a deficient number, since it is larger than the sum of its proper divisors (224526041143).

1187458010057 is a wasteful number, since it uses less digits than its factorization.

1187458010057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191117.

The product of its (nonzero) digits is 313600, while the sum is 47.

The spelling of 1187458010057 in words is "one trillion, one hundred eighty-seven billion, four hundred fifty-eight million, ten thousand, fifty-seven".