11387161390 has 16 divisors (see below), whose sum is σ = 22360244400. Its totient is φ = 4140785920.

The previous prime is 11387161381. The next prime is 11387161399. The reversal of 11387161390 is 9316178311.

It is an interprime number because it is at equal distance from previous prime (11387161381) and next prime (11387161399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387161399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51759715 + ... + 51759934.

It is an arithmetic number, because the mean of its divisors is an integer number (1397515275).

Almost surely, 2^11387161390 is an apocalyptic number.

11387161390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11387161390 is a deficient number, since it is larger than the sum of its proper divisors (10973083010).

11387161390 is a wasteful number, since it uses less digits than its factorization.

11387161390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103519667.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 11387161390 in words is "eleven billion, three hundred eighty-seven million, one hundred sixty-one thousand, three hundred ninety".