1010009555499 has 16 divisors (see below), whose sum is σ = 1553182019840. Its totient is φ = 571853377440.

The previous prime is 1010009555491. The next prime is 1010009555501. The reversal of 1010009555499 is 9945559000101.

It is not a de Polignac number, because 1010009555499 - 2³ = 1010009555491 is a prime.

It is a super-2 number, since 2×1010009555499² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010009555491) 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, 220620157 + ... + 220624734.

It is an arithmetic number, because the mean of its divisors is an integer number (97073876240).

Almost surely, 2^{1010009555499} is an apocalyptic number.

1010009555499 is a deficient number, since it is larger than the sum of its proper divisors (543172464341).

1010009555499 is a wasteful number, since it uses less digits than its factorization.

1010009555499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441245010.

The product of its (nonzero) digits is 364500, while the sum is 48.

The spelling of 1010009555499 in words is "one trillion, ten billion, nine million, five hundred fifty-five thousand, four hundred ninety-nine".