101540078281488 has 160 divisors (see below), whose sum is σ = 346275714078720. Its totient is φ = 24822631802880.

The previous prime is 101540078281441. The next prime is 101540078281501. The reversal of 101540078281488 is 884182870045101.

It is a super-2 number, since 2×101540078281488² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807965548 + ... + 808091211.

It is an arithmetic number, because the mean of its divisors is an integer number (2164223212992).

Almost surely, 2^{101540078281488} is an apocalyptic number.

It is an amenable number.

101540078281488 is an abundant number, since it is smaller than the sum of its proper divisors (244735635797232).

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

101540078281488 is a wasteful number, since it uses less digits than its factorization.

101540078281488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616056805 (or 1616056799 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 57.

The spelling of 101540078281488 in words is "one hundred one trillion, five hundred forty billion, seventy-eight million, two hundred eighty-one thousand, four hundred eighty-eight".