11542014551551 has 16 divisors (see below), whose sum is σ = 12747283247520. Its totient is φ = 10363013844480.

The previous prime is 11542014551549. The next prime is 11542014551597. The reversal of 11542014551551 is 15515541024511.

It is not a de Polignac number, because 11542014551551 - 2¹ = 11542014551549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542014557551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5862966 + ... + 7580131.

It is an arithmetic number, because the mean of its divisors is an integer number (796705202970).

Almost surely, 2^{11542014551551} is an apocalyptic number.

11542014551551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11542014551551 is a deficient number, since it is larger than the sum of its proper divisors (1205268695969).

11542014551551 is a wasteful number, since it uses less digits than its factorization.

11542014551551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444074.

The product of its (nonzero) digits is 100000, while the sum is 40.

The spelling of 11542014551551 in words is "eleven trillion, five hundred forty-two billion, fourteen million, five hundred fifty-one thousand, five hundred fifty-one".