1161266403430 has 64 divisors (see below), whose sum is σ = 2399115552768. Its totient is φ = 396445824000.

The previous prime is 1161266403389. The next prime is 1161266403439. The reversal of 1161266403430 is 343046621611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161266403430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161266403439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41832055 + ... + 41859805.

It is an arithmetic number, because the mean of its divisors is an integer number (37486180512).

Almost surely, 2^{1161266403430} is an apocalyptic number.

1161266403430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161266403430 is an abundant number, since it is smaller than the sum of its proper divisors (1237849149338).

1161266403430 is a wasteful number, since it uses less digits than its factorization.

1161266403430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 1161266403430 in words is "one trillion, one hundred sixty-one billion, two hundred sixty-six million, four hundred three thousand, four hundred thirty".