11154653436451 has 24 divisors (see below), whose sum is σ = 13167940746240. Its totient is φ = 9420197652432.

The previous prime is 11154653436439. The next prime is 11154653436469. The reversal of 11154653436451 is 15463435645111.

It is a de Polignac number, because none of the positive numbers 2^k-11154653436451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 11154653436395 and 11154653436404.

It is not an unprimeable number, because it can be changed into a prime (11154653476451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2244091 + ... + 5229268.

It is an arithmetic number, because the mean of its divisors is an integer number (548664197760).

Almost surely, 2^{11154653436451} is an apocalyptic number.

11154653436451 is a deficient number, since it is larger than the sum of its proper divisors (2013287309789).

11154653436451 is an equidigital number, since it uses as much as digits as its factorization.

11154653436451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473823 (or 7473816 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

The spelling of 11154653436451 in words is "eleven trillion, one hundred fifty-four billion, six hundred fifty-three million, four hundred thirty-six thousand, four hundred fifty-one".