26154432451 has 16 divisors (see below), whose sum is σ = 31435997184. Its totient is φ = 21274523424.

The previous prime is 26154432443. The next prime is 26154432457. The reversal of 26154432451 is 15423445162.

It is not a de Polignac number, because 26154432451 - 2³ = 26154432443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26154432451.

It is not an unprimeable number, because it can be changed into a prime (26154432457) 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, 619120 + ... + 660013.

It is an arithmetic number, because the mean of its divisors is an integer number (1964749824).

Almost surely, 2^26154432451 is an apocalyptic number.

26154432451 is a deficient number, since it is larger than the sum of its proper divisors (5281564733).

26154432451 is a wasteful number, since it uses less digits than its factorization.

26154432451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279290.

The product of its digits is 115200, while the sum is 37.

The spelling of 26154432451 in words is "twenty-six billion, one hundred fifty-four million, four hundred thirty-two thousand, four hundred fifty-one".