26051587956 has 24 divisors (see below), whose sum is σ = 67541154240. Its totient is φ = 8683862616.

The previous prime is 26051587949. The next prime is 26051587963. The reversal of 26051587956 is 65978515062.

26051587956 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 1 + 587 + 9 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (26051587949) and next prime (26051587963).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120609096 + ... + 120609311.

It is an arithmetic number, because the mean of its divisors is an integer number (2814214760).

Almost surely, 2^26051587956 is an apocalyptic number.

It is an amenable number.

26051587956 is an abundant number, since it is smaller than the sum of its proper divisors (41489566284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26051587956 is a wasteful number, since it uses less digits than its factorization.

26051587956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241218420 (or 241218412 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 26051587956 in words is "twenty-six billion, fifty-one million, five hundred eighty-seven thousand, nine hundred fifty-six".