1235161355145 has 64 divisors (see below), whose sum is σ = 2071035800064. Its totient is φ = 627409981440.

The previous prime is 1235161355119. The next prime is 1235161355147. The reversal of 1235161355145 is 5415531615321.

It is not a de Polignac number, because 1235161355145 - 2²² = 1235157160841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1235161355097 and 1235161355106.

It is not an unprimeable number, because it can be changed into a prime (1235161355147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131102535 + ... + 131111955.

It is an arithmetic number, because the mean of its divisors is an integer number (32359934376).

Almost surely, 2^{1235161355145} is an apocalyptic number.

1235161355145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235161355145 is a deficient number, since it is larger than the sum of its proper divisors (835874444919).

1235161355145 is a wasteful number, since it uses less digits than its factorization.

1235161355145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11042.

The product of its digits is 270000, while the sum is 42.

The spelling of 1235161355145 in words is "one trillion, two hundred thirty-five billion, one hundred sixty-one million, three hundred fifty-five thousand, one hundred forty-five".