101440005026155 has 16 divisors (see below), whose sum is σ = 121815184296960. Its totient is φ = 81093898808928.

The previous prime is 101440005026137. The next prime is 101440005026159. The reversal of 101440005026155 is 551620500044101.

It is a cyclic number.

It is not a de Polignac number, because 101440005026155 - 2⁵ = 101440005026123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101440005026155.

It is not an unprimeable number, because it can be changed into a prime (101440005026159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58984684 + ... + 60680086.

It is an arithmetic number, because the mean of its divisors is an integer number (7613449018560).

Almost surely, 2^{101440005026155} is an apocalyptic number.

101440005026155 is a deficient number, since it is larger than the sum of its proper divisors (20375179270805).

101440005026155 is a wasteful number, since it uses less digits than its factorization.

101440005026155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703970.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 101440005026155 in words is "one hundred one trillion, four hundred forty billion, five million, twenty-six thousand, one hundred fifty-five".