1235413001155 has 4 divisors (see below), whose sum is σ = 1482495601392. Its totient is φ = 988330400920.

The previous prime is 1235413001143. The next prime is 1235413001167. The reversal of 1235413001155 is 5511003145321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1235413001143) and next prime (1235413001167).

It is not a de Polignac number, because 1235413001155 - 2¹⁹ = 1235412476867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123541300111 + ... + 123541300120.

It is an arithmetic number, because the mean of its divisors is an integer number (370623900348).

Almost surely, 2^{1235413001155} is an apocalyptic number.

1235413001155 is a deficient number, since it is larger than the sum of its proper divisors (247082600237).

1235413001155 is an equidigital number, since it uses as much as digits as its factorization.

1235413001155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247082600236.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 1235413001155 its reverse (5511003145321), we get a palindrome (6746416146476).

The spelling of 1235413001155 in words is "one trillion, two hundred thirty-five billion, four hundred thirteen million, one thousand, one hundred fifty-five".