11719811622990 has 32 divisors (see below), whose sum is σ = 28127648131200. Its totient is φ = 3125271962144.

The previous prime is 11719811622983. The next prime is 11719811622997. The reversal of 11719811622990 is 9922611891711.

11719811622990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11719811622983) and next prime (11719811622997).

It is a self number, because there is not a number n which added to its sum of digits gives 11719811622990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11719811622997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11189737 + ... + 12192203.

It is an arithmetic number, because the mean of its divisors is an integer number (878989004100).

Almost surely, 2^{11719811622990} is an apocalyptic number.

11719811622990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11719811622990 is an abundant number, since it is smaller than the sum of its proper divisors (16407836508210).

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

11719811622990 is a wasteful number, since it uses less digits than its factorization.

11719811622990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392176.

The product of its (nonzero) digits is 979776, while the sum is 57.

The spelling of 11719811622990 in words is "eleven trillion, seven hundred nineteen billion, eight hundred eleven million, six hundred twenty-two thousand, nine hundred ninety".