11523531453554 has 8 divisors (see below), whose sum is σ = 17752467374508. Its totient is φ = 5606042328720.

The previous prime is 11523531453461. The next prime is 11523531453563. The reversal of 11523531453554 is 45535413532511.

It can be written as a sum of positive squares in 2 ways, for example, as 11464081798225 + 59449655329 = 3385865^2 + 243823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11523531453554² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11523531453499 and 11523531453508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77861698937 + ... + 77861699084.

Almost surely, 2^{11523531453554} is an apocalyptic number.

11523531453554 is a deficient number, since it is larger than the sum of its proper divisors (6228935920954).

11523531453554 is a wasteful number, since it uses less digits than its factorization.

11523531453554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155723398060.

The product of its digits is 2700000, while the sum is 47.

The spelling of 11523531453554 in words is "eleven trillion, five hundred twenty-three billion, five hundred thirty-one million, four hundred fifty-three thousand, five hundred fifty-four".