113781779144870 has 16 divisors (see below), whose sum is σ = 209570160658320. Its totient is φ = 44454276502944.

The previous prime is 113781779144863. The next prime is 113781779144951. The reversal of 113781779144870 is 78441977187311.

It is a self number, because there is not a number n which added to its sum of digits gives 113781779144870.

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, 132304393925 + ... + 132304394784.

It is an arithmetic number, because the mean of its divisors is an integer number (13098135041145).

Almost surely, 2^{113781779144870} is an apocalyptic number.

113781779144870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113781779144870 is a deficient number, since it is larger than the sum of its proper divisors (95788381513450).

113781779144870 is a wasteful number, since it uses less digits than its factorization.

113781779144870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264608788759.

The product of its (nonzero) digits is 66382848, while the sum is 68.

The spelling of 113781779144870 in words is "one hundred thirteen trillion, seven hundred eighty-one billion, seven hundred seventy-nine million, one hundred forty-four thousand, eight hundred seventy".