22015455515201 has 8 divisors (see below), whose sum is σ = 22471848520704. Its totient is φ = 21560581289520.

The previous prime is 22015455515113. The next prime is 22015455515231. The reversal of 22015455515201 is 10251555451022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22015455515201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22015455515231) 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, 379665665 + ... + 379723646.

It is an arithmetic number, because the mean of its divisors is an integer number (2808981065088).

Almost surely, 2^{22015455515201} is an apocalyptic number.

It is an amenable number.

22015455515201 is a deficient number, since it is larger than the sum of its proper divisors (456393005503).

22015455515201 is an equidigital number, since it uses as much as digits as its factorization.

22015455515201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759389911.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 22015455515201 in words is "twenty-two trillion, fifteen billion, four hundred fifty-five million, five hundred fifteen thousand, two hundred one".