11481001477 has 16 divisors (see below), whose sum is σ = 12864886272. Its totient is φ = 10157566320.

The previous prime is 11481001463. The next prime is 11481001529. The reversal of 11481001477 is 77410018411.

It is not a de Polignac number, because 11481001477 - 2¹⁹ = 11480477189 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 (11481061477) 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, 32673 + ... + 155014.

It is an arithmetic number, because the mean of its divisors is an integer number (804055392).

Almost surely, 2^11481001477 is an apocalyptic number.

It is an amenable number.

11481001477 is a deficient number, since it is larger than the sum of its proper divisors (1383884795).

11481001477 is a wasteful number, since it uses less digits than its factorization.

11481001477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187848.

The product of its (nonzero) digits is 6272, while the sum is 34.

Adding to 11481001477 its reverse (77410018411), we get a palindrome (88891019888).

The spelling of 11481001477 in words is "eleven billion, four hundred eighty-one million, one thousand, four hundred seventy-seven".