27311434431954 has 32 divisors (see below), whose sum is σ = 56495672916480. Its totient is φ = 8792831385600.

The previous prime is 27311434431937. The next prime is 27311434431973. The reversal of 27311434431954 is 45913443411372.

It is a junction number, because it is equal to n+sod(n) for n = 27311434431897 and 27311434431906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144144687 + ... + 144334034.

It is an arithmetic number, because the mean of its divisors is an integer number (1765489778640).

Almost surely, 2^{27311434431954} is an apocalyptic number.

27311434431954 is an abundant number, since it is smaller than the sum of its proper divisors (29184238484526).

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

27311434431954 is a wasteful number, since it uses less digits than its factorization.

27311434431954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288479266.

The product of its digits is 4354560, while the sum is 51.

The spelling of 27311434431954 in words is "twenty-seven trillion, three hundred eleven billion, four hundred thirty-four million, four hundred thirty-one thousand, nine hundred fifty-four".