27154012023407 has 12 divisors (see below), whose sum is σ = 28511000450520. Its totient is φ = 25858982413968.

The previous prime is 27154012023403. The next prime is 27154012023409. The reversal of 27154012023407 is 70432021045172.

It is not a de Polignac number, because 27154012023407 - 2² = 27154012023403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27154012023403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112943432 + ... + 113183597.

It is an arithmetic number, because the mean of its divisors is an integer number (2375916704210).

Almost surely, 2^{27154012023407} is an apocalyptic number.

27154012023407 is a deficient number, since it is larger than the sum of its proper divisors (1356988427113).

27154012023407 is a wasteful number, since it uses less digits than its factorization.

27154012023407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226127302 (or 226127279 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

Adding to 27154012023407 its reverse (70432021045172), we get a palindrome (97586033068579).

The spelling of 27154012023407 in words is "twenty-seven trillion, one hundred fifty-four billion, twelve million, twenty-three thousand, four hundred seven".