11742267951 has 10 divisors (see below), whose sum is σ = 17540918912. Its totient is φ = 7828178580.

The previous prime is 11742267899. The next prime is 11742267959. The reversal of 11742267951 is 15976224711.

11742267951 is a `hidden beast` number, since 117 + 422 + 67 + 9 + 51 = 666.

It is not a de Polignac number, because 11742267951 - 2¹⁰ = 11742266927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11742267897 and 11742267906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742267959) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 72483055 + ... + 72483216.

Almost surely, 2^11742267951 is an apocalyptic number.

11742267951 is a deficient number, since it is larger than the sum of its proper divisors (5798650961).

11742267951 is an equidigital number, since it uses as much as digits as its factorization.

11742267951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144966283 (or 144966274 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The spelling of 11742267951 in words is "eleven billion, seven hundred forty-two million, two hundred sixty-seven thousand, nine hundred fifty-one".