11547020151 has 32 divisors (see below), whose sum is σ = 17671731200. Its totient is φ = 7444120320.

The previous prime is 11547020141. The next prime is 11547020153. The reversal of 11547020151 is 15102074511.

It is not a de Polignac number, because 11547020151 - 2¹⁸ = 11546758007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11547020153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317255 + ... + 1325991.

It is an arithmetic number, because the mean of its divisors is an integer number (552241600).

Almost surely, 2^11547020151 is an apocalyptic number.

11547020151 is a deficient number, since it is larger than the sum of its proper divisors (6124711049).

11547020151 is a wasteful number, since it uses less digits than its factorization.

11547020151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356 (or 10350 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 11547020151 its reverse (15102074511), we get a palindrome (26649094662).

The spelling of 11547020151 in words is "eleven billion, five hundred forty-seven million, twenty thousand, one hundred fifty-one".