10916721425 has 12 divisors (see below), whose sum is σ = 13902593436. Its totient is φ = 8497339200.

The previous prime is 10916721397. The next prime is 10916721437. The reversal of 10916721425 is 52412761901.

It can be written as a sum of positive squares in 6 ways, for example, as 111534721 + 10805186704 = 10561^2 + 103948^2 .

It is not a de Polignac number, because 10916721425 - 2¹⁶ = 10916655889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5900006 + ... + 5901855.

It is an arithmetic number, because the mean of its divisors is an integer number (1158549453).

Almost surely, 2^10916721425 is an apocalyptic number.

It is an amenable number.

10916721425 is a deficient number, since it is larger than the sum of its proper divisors (2985872011).

10916721425 is a wasteful number, since it uses less digits than its factorization.

10916721425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11801908 (or 11801903 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 10916721425 in words is "ten billion, nine hundred sixteen million, seven hundred twenty-one thousand, four hundred twenty-five".