1001478711 has 4 divisors (see below), whose sum is σ = 1335304952. Its totient is φ = 667652472.

The previous prime is 1001478701. The next prime is 1001478757. The reversal of 1001478711 is 1178741001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1001478711 - 2²⁶ = 934369847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001478701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166913116 + ... + 166913121.

It is an arithmetic number, because the mean of its divisors is an integer number (333826238).

Almost surely, 2^1001478711 is an apocalyptic number.

1001478711 is a deficient number, since it is larger than the sum of its proper divisors (333826241).

1001478711 is an equidigital number, since it uses as much as digits as its factorization.

1001478711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333826240.

The product of its (nonzero) digits is 1568, while the sum is 30.

The square root of 1001478711 is about 31646.1484386331. The cubic root of 1001478711 is about 1000.4926609120.

The spelling of 1001478711 in words is "one billion, one million, four hundred seventy-eight thousand, seven hundred eleven".