11433640351 has 12 divisors (see below), whose sum is σ = 13429492752. Its totient is φ = 9705110688.

The previous prime is 11433640333. The next prime is 11433640363. The reversal of 11433640351 is 15304633411.

It is not a de Polignac number, because 11433640351 - 2¹⁷ = 11433509279 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 (11433646351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1127670 + ... + 1137763.

It is an arithmetic number, because the mean of its divisors is an integer number (1119124396).

Almost surely, 2^11433640351 is an apocalyptic number.

11433640351 is a deficient number, since it is larger than the sum of its proper divisors (1995852401).

11433640351 is a wasteful number, since it uses less digits than its factorization.

11433640351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265550 (or 2265543 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 11433640351 in words is "eleven billion, four hundred thirty-three million, six hundred forty thousand, three hundred fifty-one".