1011010109650 has 12 divisors (see below), whose sum is σ = 1880478804042. Its totient is φ = 404404043840.

The previous prime is 1011010109621. The next prime is 1011010109651. The reversal of 1011010109650 is 569010101101.

It can be written as a sum of positive squares in 3 ways, for example, as 547264091529 + 463746018121 = 739773^2 + 680989^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1011010109651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10110101047 + ... + 10110101146.

Almost surely, 2^{1011010109650} is an apocalyptic number.

1011010109650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011010109650 is a deficient number, since it is larger than the sum of its proper divisors (869468694392).

1011010109650 is a wasteful number, since it uses less digits than its factorization.

1011010109650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20220202205 (or 20220202200 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 25.

The spelling of 1011010109650 in words is "one trillion, eleven billion, ten million, one hundred nine thousand, six hundred fifty".