2169153961455 has 64 divisors (see below), whose sum is σ = 3814323488640. Its totient is φ = 1046041092096.

The previous prime is 2169153961439. The next prime is 2169153961489. The reversal of 2169153961455 is 5541693519612.

It is not a de Polignac number, because 2169153961455 - 2⁴ = 2169153961439 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2169153961395 and 2169153961404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6206611 + ... + 6546779.

It is an arithmetic number, because the mean of its divisors is an integer number (59598804510).

Almost surely, 2^{2169153961455} is an apocalyptic number.

2169153961455 is a deficient number, since it is larger than the sum of its proper divisors (1645169527185).

2169153961455 is a wasteful number, since it uses less digits than its factorization.

2169153961455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340860.

The product of its digits is 8748000, while the sum is 57.

The spelling of 2169153961455 in words is "two trillion, one hundred sixty-nine billion, one hundred fifty-three million, nine hundred sixty-one thousand, four hundred fifty-five".