1187583965142 has 32 divisors (see below), whose sum is σ = 2501810171520. Its totient is φ = 374781504960.

The previous prime is 1187583965093. The next prime is 1187583965201. The reversal of 1187583965142 is 2415693857811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3227623 + ... + 3576690.

It is an arithmetic number, because the mean of its divisors is an integer number (78181567860).

Almost surely, 2^{1187583965142} is an apocalyptic number.

1187583965142 is an abundant number, since it is smaller than the sum of its proper divisors (1314226206378).

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

1187583965142 is a wasteful number, since it uses less digits than its factorization.

1187583965142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805868.

The product of its digits is 14515200, while the sum is 60.

The spelling of 1187583965142 in words is "one trillion, one hundred eighty-seven billion, five hundred eighty-three million, nine hundred sixty-five thousand, one hundred forty-two".