25799061093 has 16 divisors (see below), whose sum is σ = 39223912896. Its totient is φ = 14942442240.

The previous prime is 25799061091. The next prime is 25799061103. The reversal of 25799061093 is 39016099752.

It is a happy number.

It is not a de Polignac number, because 25799061093 - 2¹ = 25799061091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25799061091) 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, 19455643 + ... + 19456968.

It is an arithmetic number, because the mean of its divisors is an integer number (2451494556).

Almost surely, 2^25799061093 is an apocalyptic number.

It is an amenable number.

25799061093 is a deficient number, since it is larger than the sum of its proper divisors (13424851803).

25799061093 is a wasteful number, since it uses less digits than its factorization.

25799061093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38912644.

The product of its (nonzero) digits is 918540, while the sum is 51.

The spelling of 25799061093 in words is "twenty-five billion, seven hundred ninety-nine million, sixty-one thousand, ninety-three".