11503632141 has 6 divisors (see below), whose sum is σ = 16616357550. Its totient is φ = 7669088088.

The previous prime is 11503632089. The next prime is 11503632143. The reversal of 11503632141 is 14123630511.

It is a happy number.

11503632141 is a `hidden beast` number, since 1 + 15 + 0 + 3 + 632 + 14 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8680835241 + 2822796900 = 93171^2 + 53130^2 .

It is not a de Polignac number, because 11503632141 - 2¹⁴ = 11503615757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11503632143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 639090666 + ... + 639090683.

It is an arithmetic number, because the mean of its divisors is an integer number (2769392925).

Almost surely, 2^11503632141 is an apocalyptic number.

It is an amenable number.

11503632141 is a deficient number, since it is larger than the sum of its proper divisors (5112725409).

11503632141 is a wasteful number, since it uses less digits than its factorization.

11503632141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278181355 (or 1278181352 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 11503632141 in words is "eleven billion, five hundred three million, six hundred thirty-two thousand, one hundred forty-one".