10001155001655 has 16 divisors (see below), whose sum is σ = 16005798198144. Its totient is φ = 5332632602400.

The previous prime is 10001155001597. The next prime is 10001155001659. The reversal of 10001155001655 is 55610055110001.

It is not a de Polignac number, because 10001155001655 - 2¹⁴ = 10001154985271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001155001659) 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, 82232949 + ... + 82354478.

It is an arithmetic number, because the mean of its divisors is an integer number (1000362387384).

Almost surely, 2^{10001155001655} is an apocalyptic number.

10001155001655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10001155001655 is a deficient number, since it is larger than the sum of its proper divisors (6004643196489).

10001155001655 is a wasteful number, since it uses less digits than its factorization.

10001155001655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164591486.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 10001155001655 in words is "ten trillion, one billion, one hundred fifty-five million, one thousand, six hundred fifty-five".