101403156055 has 4 divisors (see below), whose sum is σ = 121683787272. Its totient is φ = 81122524840.

The previous prime is 101403155999. The next prime is 101403156059. The reversal of 101403156055 is 550651304101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101403156055 - 2¹⁹ = 101402631767 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101403156059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10140315601 + ... + 10140315610.

It is an arithmetic number, because the mean of its divisors is an integer number (30420946818).

Almost surely, 2^101403156055 is an apocalyptic number.

101403156055 is a deficient number, since it is larger than the sum of its proper divisors (20280631217).

101403156055 is an equidigital number, since it uses as much as digits as its factorization.

101403156055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280631216.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 101403156055 in words is "one hundred one billion, four hundred three million, one hundred fifty-six thousand, fifty-five".