1161471812854 has 8 divisors (see below), whose sum is σ = 1742357983248. Its totient is φ = 580685818440.

The previous prime is 1161471812783. The next prime is 1161471812927. The reversal of 1161471812854 is 4582181741611.

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

It is a junction number, because it is equal to n+sod(n) for n = 1161471812798 and 1161471812807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25015002 + ... + 25061389.

It is an arithmetic number, because the mean of its divisors is an integer number (217794747906).

Almost surely, 2^{1161471812854} is an apocalyptic number.

1161471812854 is a deficient number, since it is larger than the sum of its proper divisors (580886170394).

1161471812854 is a wasteful number, since it uses less digits than its factorization.

1161471812854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50087990.

The product of its digits is 430080, while the sum is 49.

The spelling of 1161471812854 in words is "one trillion, one hundred sixty-one billion, four hundred seventy-one million, eight hundred twelve thousand, eight hundred fifty-four".