1287432041916 has 12 divisors (see below), whose sum is σ = 3004008097832. Its totient is φ = 429144013968.

The previous prime is 1287432041897. The next prime is 1287432041921. The reversal of 1287432041916 is 6191402347821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53643001735 + ... + 53643001758.

Almost surely, 2^{1287432041916} is an apocalyptic number.

It is an amenable number.

1287432041916 is an abundant number, since it is smaller than the sum of its proper divisors (1716576055916).

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

1287432041916 is a wasteful number, since it uses less digits than its factorization.

1287432041916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107286003500 (or 107286003498 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 1287432041916 in words is "one trillion, two hundred eighty-seven billion, four hundred thirty-two million, forty-one thousand, nine hundred sixteen".