25315341465 has 32 divisors (see below), whose sum is σ = 40768745472. Its totient is φ = 13413600000.

The previous prime is 25315341463. The next prime is 25315341479. The reversal of 25315341465 is 56414351352.

It is a happy number.

It is not a de Polignac number, because 25315341465 - 2¹ = 25315341463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25315341463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3120915 + ... + 3129015.

It is an arithmetic number, because the mean of its divisors is an integer number (1274023296).

Almost surely, 2^25315341465 is an apocalyptic number.

It is an amenable number.

25315341465 is a deficient number, since it is larger than the sum of its proper divisors (15453404007).

25315341465 is a wasteful number, since it uses less digits than its factorization.

25315341465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441.

The product of its digits is 216000, while the sum is 39.

The spelling of 25315341465 in words is "twenty-five billion, three hundred fifteen million, three hundred forty-one thousand, four hundred sixty-five".