1161564036454 has 16 divisors (see below), whose sum is σ = 1852015367088. Its totient is φ = 544491446272.

The previous prime is 1161564036443. The next prime is 1161564036463. The reversal of 1161564036454 is 4546304651611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66457504 + ... + 66474979.

It is an arithmetic number, because the mean of its divisors is an integer number (115750960443).

Almost surely, 2^{1161564036454} is an apocalyptic number.

1161564036454 is a deficient number, since it is larger than the sum of its proper divisors (690451330634).

1161564036454 is a wasteful number, since it uses less digits than its factorization.

1161564036454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132932759.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1161564036454 in words is "one trillion, one hundred sixty-one billion, five hundred sixty-four million, thirty-six thousand, four hundred fifty-four".