11355667890 has 64 divisors (see below), whose sum is σ = 31657616640. Its totient is φ = 2553027840.

The previous prime is 11355667879. The next prime is 11355667901. The reversal of 11355667890 is 9876655311.

It is an interprime number because it is at equal distance from previous prime (11355667879) and next prime (11355667901).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430425 + ... + 456044.

It is an arithmetic number, because the mean of its divisors is an integer number (494650260).

Almost surely, 2^11355667890 is an apocalyptic number.

11355667890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11355667890 is an abundant number, since it is smaller than the sum of its proper divisors (20301948750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11355667890 is a wasteful number, since it uses less digits than its factorization.

11355667890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886547.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 11355667890 in words is "eleven billion, three hundred fifty-five million, six hundred sixty-seven thousand, eight hundred ninety".