26956378125 has 48 divisors (see below), whose sum is σ = 49916180160. Its totient is φ = 14376690000.

The previous prime is 26956378123. The next prime is 26956378153. The reversal of 26956378125 is 52187365962.

26956378125 is a `hidden beast` number, since 2 + 6 + 9 + 563 + 78 + 1 + 2 + 5 = 666.

It is not a de Polignac number, because 26956378125 - 2¹ = 26956378123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26956378123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75367 + ... + 244116.

It is an arithmetic number, because the mean of its divisors is an integer number (1039920420).

Almost surely, 2^26956378125 is an apocalyptic number.

26956378125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26956378125 is a deficient number, since it is larger than the sum of its proper divisors (22959802035).

26956378125 is an frugal number, since it uses more digits than its factorization.

26956378125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319517 (or 319491 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 26956378125 in words is "twenty-six billion, nine hundred fifty-six million, three hundred seventy-eight thousand, one hundred twenty-five".