26125021115655 has 32 divisors (see below), whose sum is σ = 52114327838208. Its totient is φ = 10857151632000.

The previous prime is 26125021115651. The next prime is 26125021115723. The reversal of 26125021115655 is 55651112052162.

It is a happy number.

It is not a de Polignac number, because 26125021115655 - 2² = 26125021115651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26125021115651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11309531796 + ... + 11309534105.

It is an arithmetic number, because the mean of its divisors is an integer number (1628572744944).

Almost surely, 2^{26125021115655} is an apocalyptic number.

26125021115655 is a deficient number, since it is larger than the sum of its proper divisors (25989306722553).

26125021115655 is a wasteful number, since it uses less digits than its factorization.

26125021115655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22619065927.

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 26125021115655 in words is "twenty-six trillion, one hundred twenty-five billion, twenty-one million, one hundred fifteen thousand, six hundred fifty-five".