155151115034 has 4 divisors (see below), whose sum is σ = 232726672554. Its totient is φ = 77575557516.

The previous prime is 155151115033. The next prime is 155151115087. The reversal of 155151115034 is 430511151551.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430511151551 = 13 ⋅33116242427.

It can be written as a sum of positive squares in only one way, i.e., 152478535225 + 2672579809 = 390485^2 + 51697^2 .

It is not an unprimeable number, because it can be changed into a prime (155151115033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38787778757 + ... + 38787778760.

Almost surely, 2^155151115034 is an apocalyptic number.

155151115034 is a deficient number, since it is larger than the sum of its proper divisors (77575557520).

155151115034 is an equidigital number, since it uses as much as digits as its factorization.

155151115034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77575557519.

The product of its (nonzero) digits is 7500, while the sum is 32.

Adding to 155151115034 its reverse (430511151551), we get a palindrome (585662266585).

The spelling of 155151115034 in words is "one hundred fifty-five billion, one hundred fifty-one million, one hundred fifteen thousand, thirty-four".