11890090630 has 64 divisors (see below), whose sum is σ = 23554732608. Its totient is φ = 4285532160.

The previous prime is 11890090627. The next prime is 11890090631. The reversal of 11890090630 is 3609009811.

It is a super-2 number, since 2×11890090630² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11890090630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890090631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6781834 + ... + 6783586.

It is an arithmetic number, because the mean of its divisors is an integer number (368042697).

Almost surely, 2^11890090630 is an apocalyptic number.

11890090630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11890090630 is a deficient number, since it is larger than the sum of its proper divisors (11664641978).

11890090630 is a wasteful number, since it uses less digits than its factorization.

11890090630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 11890090630 in words is "eleven billion, eight hundred ninety million, ninety thousand, six hundred thirty".