1142551904501 has 4 divisors (see below), whose sum is σ = 1305773605152. Its totient is φ = 979330203852.

The previous prime is 1142551904491. The next prime is 1142551904531. The reversal of 1142551904501 is 1054091552411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1142551904501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142551904531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81610850315 + ... + 81610850328.

It is an arithmetic number, because the mean of its divisors is an integer number (326443401288).

Almost surely, 2^{1142551904501} is an apocalyptic number.

It is an amenable number.

1142551904501 is a deficient number, since it is larger than the sum of its proper divisors (163221700651).

1142551904501 is an equidigital number, since it uses as much as digits as its factorization.

1142551904501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163221700650.

The product of its (nonzero) digits is 36000, while the sum is 38.

The spelling of 1142551904501 in words is "one trillion, one hundred forty-two billion, five hundred fifty-one million, nine hundred four thousand, five hundred one".