1113949601511 has 4 divisors (see below), whose sum is σ = 1485266135352. Its totient is φ = 742633067672.

The previous prime is 1113949601507. The next prime is 1113949601537. The reversal of 1113949601511 is 1151069493111.

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 1113949601511 - 2² = 1113949601507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113949601551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185658266916 + ... + 185658266921.

It is an arithmetic number, because the mean of its divisors is an integer number (371316533838).

Almost surely, 2^{1113949601511} is an apocalyptic number.

1113949601511 is a deficient number, since it is larger than the sum of its proper divisors (371316533841).

1113949601511 is an equidigital number, since it uses as much as digits as its factorization.

1113949601511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371316533840.

The product of its (nonzero) digits is 29160, while the sum is 42.

The spelling of 1113949601511 in words is "one trillion, one hundred thirteen billion, nine hundred forty-nine million, six hundred one thousand, five hundred eleven".