11251013473755 has 48 divisors (see below), whose sum is σ = 21415535481600. Its totient is φ = 5418910728000.

The previous prime is 11251013473741. The next prime is 11251013473771. The reversal of 11251013473755 is 55737431015211.

11251013473755 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 101 + 3 + 473 + 75 + 5 = 666.

It is not a de Polignac number, because 11251013473755 - 2²⁰ = 11251012425179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11251013473755.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75187905 + ... + 75337394.

It is an arithmetic number, because the mean of its divisors is an integer number (446156989200).

Almost surely, 2^{11251013473755} is an apocalyptic number.

11251013473755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11251013473755 is a deficient number, since it is larger than the sum of its proper divisors (10164522007845).

11251013473755 is a wasteful number, since it uses less digits than its factorization.

11251013473755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150525472 (or 150525469 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

Adding to 11251013473755 its reverse (55737431015211), we get a palindrome (66988444488966).

The spelling of 11251013473755 in words is "eleven trillion, two hundred fifty-one billion, thirteen million, four hundred seventy-three thousand, seven hundred fifty-five".