21096148495715 has 16 divisors (see below), whose sum is σ = 25794120966336. Its totient is φ = 16557783964800.

The previous prime is 21096148495699. The next prime is 21096148495729. The reversal of 21096148495715 is 51759484169012.

It is not a de Polignac number, because 21096148495715 - 2⁴ = 21096148495699 is a prime.

It is a super-2 number, since 2×21096148495715² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4614770 + ... + 7967960.

It is an arithmetic number, because the mean of its divisors is an integer number (1612132560396).

Almost surely, 2^{21096148495715} is an apocalyptic number.

21096148495715 is a deficient number, since it is larger than the sum of its proper divisors (4697972470621).

21096148495715 is a wasteful number, since it uses less digits than its factorization.

21096148495715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376990.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 21096148495715 in words is "twenty-one trillion, ninety-six billion, one hundred forty-eight million, four hundred ninety-five thousand, seven hundred fifteen".