25012271567 has 8 divisors (see below), whose sum is σ = 25886215440. Its totient is φ = 24139091200.

The previous prime is 25012271549. The next prime is 25012271651. The reversal of 25012271567 is 76517221052.

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

It is a cyclic number.

It is not a de Polignac number, because 25012271567 - 2¹⁶ = 25012206031 is a prime.

It is a super-2 number, since 2×25012271567² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25012271567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25012271507) 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, 123809 + ... + 255642.

It is an arithmetic number, because the mean of its divisors is an integer number (3235776930).

Almost surely, 2^25012271567 is an apocalyptic number.

25012271567 is a deficient number, since it is larger than the sum of its proper divisors (873943873).

25012271567 is a wasteful number, since it uses less digits than its factorization.

25012271567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381753.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 25012271567 in words is "twenty-five billion, twelve million, two hundred seventy-one thousand, five hundred sixty-seven".