10194021959655 has 16 divisors (see below), whose sum is σ = 16310785657824. Its totient is φ = 5436694871040.

The previous prime is 10194021959651. The next prime is 10194021959683. The reversal of 10194021959655 is 55695912049101.

It is not a de Polignac number, because 10194021959655 - 2² = 10194021959651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10194021959595 and 10194021959604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10194021959651) 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, 6578994 + ... + 7979423.

It is an arithmetic number, because the mean of its divisors is an integer number (1019424103614).

Almost surely, 2^{10194021959655} is an apocalyptic number.

10194021959655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10194021959655 is a deficient number, since it is larger than the sum of its proper divisors (6116763698169).

10194021959655 is a wasteful number, since it uses less digits than its factorization.

10194021959655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14605106.

The product of its (nonzero) digits is 4374000, while the sum is 57.

The spelling of 10194021959655 in words is "ten trillion, one hundred ninety-four billion, twenty-one million, nine hundred fifty-nine thousand, six hundred fifty-five".