1407780341111 has 4 divisors (see below), whose sum is σ = 1427065003392. Its totient is φ = 1388495678832.

The previous prime is 1407780341089. The next prime is 1407780341147. The reversal of 1407780341111 is 1111430877041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1407780341111 - 2⁶ = 1407780341047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407780341911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9642331031 + ... + 9642331176.

It is an arithmetic number, because the mean of its divisors is an integer number (356766250848).

Almost surely, 2^{1407780341111} is an apocalyptic number.

1407780341111 is a deficient number, since it is larger than the sum of its proper divisors (19284662281).

1407780341111 is an equidigital number, since it uses as much as digits as its factorization.

1407780341111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19284662280.

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 1407780341111 in words is "one trillion, four hundred seven billion, seven hundred eighty million, three hundred forty-one thousand, one hundred eleven".