1151342012505 has 32 divisors (see below), whose sum is σ = 1848673411200. Its totient is φ = 611874819072.

The previous prime is 1151342012501. The next prime is 1151342012521. The reversal of 1151342012505 is 5052102431511.

It is not a de Polignac number, because 1151342012505 - 2² = 1151342012501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151342012501) 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, 17046241 + ... + 17113649.

It is an arithmetic number, because the mean of its divisors is an integer number (57771044100).

Almost surely, 2^{1151342012505} is an apocalyptic number.

1151342012505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151342012505 is a deficient number, since it is larger than the sum of its proper divisors (697331398695).

1151342012505 is a wasteful number, since it uses less digits than its factorization.

1151342012505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71433.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1151342012505 in words is "one trillion, one hundred fifty-one billion, three hundred forty-two million, twelve thousand, five hundred five".