1143156497505 has 32 divisors (see below), whose sum is σ = 1995375973248. Its totient is φ = 554244288000.

The previous prime is 1143156497503. The next prime is 1143156497521. The reversal of 1143156497505 is 5057946513411.

It is not a de Polignac number, because 1143156497505 - 2¹ = 1143156497503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143156497503) 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, 12179917 + ... + 12273413.

It is an arithmetic number, because the mean of its divisors is an integer number (62355499164).

Almost surely, 2^{1143156497505} is an apocalyptic number.

1143156497505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143156497505 is a deficient number, since it is larger than the sum of its proper divisors (852219475743).

1143156497505 is a wasteful number, since it uses less digits than its factorization.

1143156497505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167617.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 1143156497505 in words is "one trillion, one hundred forty-three billion, one hundred fifty-six million, four hundred ninety-seven thousand, five hundred five".