11102135454 has 32 divisors (see below), whose sum is σ = 24687344640. Its totient is φ = 3698321976.

The previous prime is 11102135419. The next prime is 11102135467. The reversal of 11102135454 is 45453120111.

11102135454 is a `hidden beast` number, since 1 + 1 + 102 + 13 + 545 + 4 = 666.

It is a super-2 number, since 2×11102135454² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19017 + ... + 150219.

It is an arithmetic number, because the mean of its divisors is an integer number (771479520).

Almost surely, 2^11102135454 is an apocalyptic number.

11102135454 is an abundant number, since it is smaller than the sum of its proper divisors (13585209186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11102135454 is a wasteful number, since it uses less digits than its factorization.

11102135454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132781 (or 132775 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 11102135454 its reverse (45453120111), we get a palindrome (56555255565).

The spelling of 11102135454 in words is "eleven billion, one hundred two million, one hundred thirty-five thousand, four hundred fifty-four".