1161430283858 has 32 divisors (see below), whose sum is σ = 1881662280960. Its totient is φ = 534472318080.

The previous prime is 1161430283833. The next prime is 1161430283903. The reversal of 1161430283858 is 8583820341611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60858878 + ... + 60877958.

It is an arithmetic number, because the mean of its divisors is an integer number (58801946280).

Almost surely, 2^{1161430283858} is an apocalyptic number.

1161430283858 is a deficient number, since it is larger than the sum of its proper divisors (720231997102).

1161430283858 is a wasteful number, since it uses less digits than its factorization.

1161430283858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25842.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 1161430283858 in words is "one trillion, one hundred sixty-one billion, four hundred thirty million, two hundred eighty-three thousand, eight hundred fifty-eight".