11390740747 has 4 divisors (see below), whose sum is σ = 11497196376. Its totient is φ = 11284285120.

The previous prime is 11390740729. The next prime is 11390740763. The reversal of 11390740747 is 74704709311.

11390740747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74704709311 = 29 ⋅2576024459.

It is a cyclic number.

It is not a de Polignac number, because 11390740747 - 2³¹ = 9243257099 is a prime.

It is a super-2 number, since 2×11390740747² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11390746747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53227654 + ... + 53227867.

It is an arithmetic number, because the mean of its divisors is an integer number (2874299094).

Almost surely, 2^11390740747 is an apocalyptic number.

11390740747 is a deficient number, since it is larger than the sum of its proper divisors (106455629).

11390740747 is a wasteful number, since it uses less digits than its factorization.

11390740747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106455628.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 11390740747 in words is "eleven billion, three hundred ninety million, seven hundred forty thousand, seven hundred forty-seven".