26311453545 has 32 divisors (see below), whose sum is σ = 45760401792. Its totient is φ = 12832261632.

The previous prime is 26311453463. The next prime is 26311453547. The reversal of 26311453545 is 54535411362.

It is a happy number.

It is not a de Polignac number, because 26311453545 - 2¹⁵ = 26311420777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (26311453547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609652 + ... + 651381.

It is an arithmetic number, because the mean of its divisors is an integer number (1430012556).

Almost surely, 2^26311453545 is an apocalyptic number.

It is an amenable number.

26311453545 is a deficient number, since it is larger than the sum of its proper divisors (19448948247).

26311453545 is a wasteful number, since it uses less digits than its factorization.

26311453545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261161.

The product of its digits is 216000, while the sum is 39.

The spelling of 26311453545 in words is "twenty-six billion, three hundred eleven million, four hundred fifty-three thousand, five hundred forty-five".