11451145742 has 8 divisors (see below), whose sum is σ = 17188743000. Its totient is φ = 5721564744.

The previous prime is 11451145721. The next prime is 11451145793. The reversal of 11451145742 is 24754115411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11451145742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000492 + ... + 2006207.

It is an arithmetic number, because the mean of its divisors is an integer number (2148592875).

Almost surely, 2^11451145742 is an apocalyptic number.

11451145742 is a deficient number, since it is larger than the sum of its proper divisors (5737597258).

11451145742 is a wasteful number, since it uses less digits than its factorization.

11451145742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008130.

The product of its digits is 22400, while the sum is 35.

The spelling of 11451145742 in words is "eleven billion, four hundred fifty-one million, one hundred forty-five thousand, seven hundred forty-two".