1161602172095 has 64 divisors (see below), whose sum is σ = 1607424424704. Its totient is φ = 800783892480.

The previous prime is 1161602172091. The next prime is 1161602172121. The reversal of 1161602172095 is 5902712061611.

It is a happy number.

It is not a de Polignac number, because 1161602172095 - 2² = 1161602172091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161602172091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4111499 + ... + 4384931.

It is an arithmetic number, because the mean of its divisors is an integer number (25116006636).

Almost surely, 2^{1161602172095} is an apocalyptic number.

1161602172095 is a deficient number, since it is larger than the sum of its proper divisors (445822252609).

1161602172095 is a wasteful number, since it uses less digits than its factorization.

1161602172095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273572.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 1161602172095 in words is "one trillion, one hundred sixty-one billion, six hundred two million, one hundred seventy-two thousand, ninety-five".