1000001499955 has 32 divisors (see below), whose sum is σ = 1257733785600. Its totient is φ = 761826122112.

The previous prime is 1000001499949. The next prime is 1000001499997. The reversal of 1000001499955 is 5599941000001.

It is a cyclic number.

It is not a de Polignac number, because 1000001499955 - 2¹⁹ = 1000000975667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45989476 + ... + 46011214.

It is an arithmetic number, because the mean of its divisors is an integer number (39304180800).

Almost surely, 2^{1000001499955} is an apocalyptic number.

1000001499955 is a deficient number, since it is larger than the sum of its proper divisors (257732285645).

1000001499955 is a wasteful number, since it uses less digits than its factorization.

1000001499955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23523.

The product of its (nonzero) digits is 72900, while the sum is 43.

Adding to 1000001499955 its reverse (5599941000001), we get a palindrome (6599942499956).

The spelling of 1000001499955 in words is "one trillion, one million, four hundred ninety-nine thousand, nine hundred fifty-five".