27121428811532 has 48 divisors (see below), whose sum is σ = 54200289798144. Its totient is φ = 11762215584000.

The previous prime is 27121428811507. The next prime is 27121428811541. The reversal of 27121428811532 is 23511882412172.

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, 139929533 + ... + 140123220.

It is an arithmetic number, because the mean of its divisors is an integer number (1129172704128).

Almost surely, 2^{27121428811532} is an apocalyptic number.

27121428811532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27121428811532 is a deficient number, since it is larger than the sum of its proper divisors (27078860986612).

27121428811532 is a wasteful number, since it uses less digits than its factorization.

27121428811532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280052870 (or 280052868 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The spelling of 27121428811532 in words is "twenty-seven trillion, one hundred twenty-one billion, four hundred twenty-eight million, eight hundred eleven thousand, five hundred thirty-two".