1187051593406 has 16 divisors (see below), whose sum is σ = 2154648270816. Its totient is φ = 478810726656.

The previous prime is 1187051593381. The next prime is 1187051593439. The reversal of 1187051593406 is 6043951507811.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493805631 + ... + 2493806106.

It is an arithmetic number, because the mean of its divisors is an integer number (134665516926).

Almost surely, 2^{1187051593406} is an apocalyptic number.

1187051593406 is a deficient number, since it is larger than the sum of its proper divisors (967596677410).

1187051593406 is a wasteful number, since it uses less digits than its factorization.

1187051593406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987611763.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 1187051593406 in words is "one trillion, one hundred eighty-seven billion, fifty-one million, five hundred ninety-three thousand, four hundred six".