1011140477 has 16 divisors (see below), whose sum is σ = 1084440960. Its totient is φ = 940903488.

The previous prime is 1011140443. The next prime is 1011140479. The reversal of 1011140477 is 7740411101.

It is not a de Polignac number, because 1011140477 - 2²⁸ = 742705021 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 (1011140479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110408 + ... + 119214.

It is an arithmetic number, because the mean of its divisors is an integer number (67777560).

Almost surely, 2^1011140477 is an apocalyptic number.

It is an amenable number.

1011140477 is a deficient number, since it is larger than the sum of its proper divisors (73300483).

1011140477 is a wasteful number, since it uses less digits than its factorization.

1011140477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1011140477 is about 31798.4351344528. The cubic root of 1011140477 is about 1003.6997870279.

Adding to 1011140477 its reverse (7740411101), we get a palindrome (8751551578).

The spelling of 1011140477 in words is "one billion, eleven million, one hundred forty thousand, four hundred seventy-seven".