25712846545 has 32 divisors (see below), whose sum is σ = 32876703360. Its totient is φ = 19238446080.

The previous prime is 25712846521. The next prime is 25712846569. The reversal of 25712846545 is 54564821752.

It is an interprime number because it is at equal distance from previous prime (25712846521) and next prime (25712846569).

It is not a de Polignac number, because 25712846545 - 2⁵ = 25712846513 is a prime.

It is a super-2 number, since 2×25712846545² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10125886 + ... + 10128424.

It is an arithmetic number, because the mean of its divisors is an integer number (1027396980).

Almost surely, 2^25712846545 is an apocalyptic number.

It is an amenable number.

25712846545 is a deficient number, since it is larger than the sum of its proper divisors (7163856815).

25712846545 is a wasteful number, since it uses less digits than its factorization.

25712846545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its digits is 2688000, while the sum is 49.

The spelling of 25712846545 in words is "twenty-five billion, seven hundred twelve million, eight hundred forty-six thousand, five hundred forty-five".