21352525201194 has 32 divisors (see below), whose sum is σ = 46847592138240. Its totient is φ = 6434314345200.

The previous prime is 21352525201193. The next prime is 21352525201223. The reversal of 21352525201194 is 49110252525312.

It is not an unprimeable number, because it can be changed into a prime (21352525201193) 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, 903684022 + ... + 903707649.

It is an arithmetic number, because the mean of its divisors is an integer number (1463987254320).

Almost surely, 2^{21352525201194} is an apocalyptic number.

21352525201194 is an abundant number, since it is smaller than the sum of its proper divisors (25495066937046).

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

21352525201194 is a wasteful number, since it uses less digits than its factorization.

21352525201194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807391866.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 21352525201194 in words is "twenty-one trillion, three hundred fifty-two billion, five hundred twenty-five million, two hundred one thousand, one hundred ninety-four".