11402050665 has 16 divisors (see below), whose sum is σ = 18261000576. Its totient is φ = 6075187200.

The previous prime is 11402050589. The next prime is 11402050703. The reversal of 11402050665 is 56605020411.

It is not a de Polignac number, because 11402050665 - 2¹¹ = 11402048617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353176 + ... + 384105.

It is an arithmetic number, because the mean of its divisors is an integer number (1141312536).

Almost surely, 2^11402050665 is an apocalyptic number.

11402050665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11402050665 is a deficient number, since it is larger than the sum of its proper divisors (6858949911).

11402050665 is a wasteful number, since it uses less digits than its factorization.

11402050665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738320.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 11402050665 in words is "eleven billion, four hundred two million, fifty thousand, six hundred sixty-five".