25815046283 has 16 divisors (see below), whose sum is σ = 28440313440. Its totient is φ = 23287129344.

The previous prime is 25815046277. The next prime is 25815046289. The reversal of 25815046283 is 38264051852.

It is an interprime number because it is at equal distance from previous prime (25815046277) and next prime (25815046289).

It is a cyclic number.

It is not a de Polignac number, because 25815046283 - 2⁴ = 25815046267 is a prime.

It is a super-4 number, since 4×25815046283⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25815046289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21341 + ... + 228222.

It is an arithmetic number, because the mean of its divisors is an integer number (1777519590).

Almost surely, 2^25815046283 is an apocalyptic number.

25815046283 is a deficient number, since it is larger than the sum of its proper divisors (2625267157).

25815046283 is a wasteful number, since it uses less digits than its factorization.

25815046283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249758.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 25815046283 in words is "twenty-five billion, eight hundred fifteen million, forty-six thousand, two hundred eighty-three".