1241681013618 has 32 divisors (see below), whose sum is σ = 2554350448320. Its totient is φ = 402096219840.

The previous prime is 1241681013583. The next prime is 1241681013641. The reversal of 1241681013618 is 8163101861421.

It is a self number, because there is not a number n which added to its sum of digits gives 1241681013618.

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, 4097373 + ... + 4389968.

It is an arithmetic number, because the mean of its divisors is an integer number (79823451510).

Almost surely, 2^{1241681013618} is an apocalyptic number.

1241681013618 is an abundant number, since it is smaller than the sum of its proper divisors (1312669434702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241681013618 is a wasteful number, since it uses less digits than its factorization.

1241681013618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488042.

The product of its (nonzero) digits is 55296, while the sum is 42.

It can be divided in two parts, 124168 and 1013618, that added together give a triangular number (1137786 = T₁₅₀₈).

The spelling of 1241681013618 in words is "one trillion, two hundred forty-one billion, six hundred eighty-one million, thirteen thousand, six hundred eighteen".