1142051506155 has 288 divisors, whose sum is σ = 2373105496320. Its totient is φ = 506464358400.

The previous prime is 1142051506147. The next prime is 1142051506159. The reversal of 1142051506155 is 5516051502411.

1142051506155 is a `hidden beast` number, since 1 + 1 + 4 + 20 + 5 + 15 + 0 + 615 + 5 = 666.

It is not a de Polignac number, because 1142051506155 - 2³ = 1142051506147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142051506159) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3111856782 + ... + 3111857148.

It is an arithmetic number, because the mean of its divisors is an integer number (8239949640).

Almost surely, 2^{1142051506155} is an apocalyptic number.

1142051506155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142051506155 is an abundant number, since it is smaller than the sum of its proper divisors (1231053990165).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142051506155 is a wasteful number, since it uses less digits than its factorization.

1142051506155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 1142051506155 in words is "one trillion, one hundred forty-two billion, fifty-one million, five hundred six thousand, one hundred fifty-five".