1011244299987 has 16 divisors (see below), whose sum is σ = 1394870400000. Its totient is φ = 650892222624.

The previous prime is 1011244299937. The next prime is 1011244299997. The reversal of 1011244299987 is 7899924421101.

It is not a de Polignac number, because 1011244299987 - 2¹² = 1011244295891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011244299937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2378764 + ... + 2771462.

It is an arithmetic number, because the mean of its divisors is an integer number (87179400000).

Almost surely, 2^{1011244299987} is an apocalyptic number.

1011244299987 is a deficient number, since it is larger than the sum of its proper divisors (383626100013).

1011244299987 is a wasteful number, since it uses less digits than its factorization.

1011244299987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422330.

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 1011244299987 in words is "one trillion, eleven billion, two hundred forty-four million, two hundred ninety-nine thousand, nine hundred eighty-seven".