11565055454 has 32 divisors (see below), whose sum is σ = 18625711104. Its totient is φ = 5372468640.

The previous prime is 11565055433. The next prime is 11565055471. The reversal of 11565055454 is 45455056511.

It is a super-2 number, since 2×11565055454² (a number of 21 digits) contains 22 as substring.

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, 341867 + ... + 374169.

It is an arithmetic number, because the mean of its divisors is an integer number (582053472).

Almost surely, 2^11565055454 is an apocalyptic number.

11565055454 is a deficient number, since it is larger than the sum of its proper divisors (7060655650).

11565055454 is a wasteful number, since it uses less digits than its factorization.

11565055454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32552.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 11565055454 in words is "eleven billion, five hundred sixty-five million, fifty-five thousand, four hundred fifty-four".