11542416901 has 4 divisors (see below), whose sum is σ = 11542636204. Its totient is φ = 11542197600.

The previous prime is 11542416877. The next prime is 11542416931. The reversal of 11542416901 is 10961424511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2921294401 + 8621122500 = 54049^2 + 92850^2 .

It is a 3-Lehmer number, since φ(11542416901) divides (11542416901-1)³.

It is a cyclic number.

It is not a de Polignac number, because 11542416901 - 2⁵ = 11542416869 is a prime.

It is a deceptive number, since it divides R_11542416900.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542416931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21931 + ... + 153511.

It is an arithmetic number, because the mean of its divisors is an integer number (2885659051).

It is a Poulet number, since it divides 2^11542416900-1.

Almost surely, 2^11542416901 is an apocalyptic number.

11542416901 is the 87721-st pentagonal number.

It is an amenable number.

11542416901 is a deficient number, since it is larger than the sum of its proper divisors (219303).

11542416901 is an equidigital number, since it uses as much as digits as its factorization.

11542416901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219302.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 11542416901 in words is "eleven billion, five hundred forty-two million, four hundred sixteen thousand, nine hundred one".