1159801622961 has 8 divisors (see below), whose sum is σ = 1546993080864. Its totient is φ = 772905623520.

The previous prime is 1159801622957. The next prime is 1159801622989. The reversal of 1159801622961 is 1692261089511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1159801622961 - 2² = 1159801622957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1159801622911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73855455 + ... + 73871156.

It is an arithmetic number, because the mean of its divisors is an integer number (193374135108).

Almost surely, 2^{1159801622961} is an apocalyptic number.

It is an amenable number.

1159801622961 is a deficient number, since it is larger than the sum of its proper divisors (387191457903).

1159801622961 is a wasteful number, since it uses less digits than its factorization.

1159801622961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147729231.

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 1159801622961 in words is "one trillion, one hundred fifty-nine billion, eight hundred one million, six hundred twenty-two thousand, nine hundred sixty-one".