155122001435 has 48 divisors (see below), whose sum is σ = 208478810880. Its totient is φ = 110546821440.

The previous prime is 155122001413. The next prime is 155122001483. The reversal of 155122001435 is 534100221551.

It is not a de Polignac number, because 155122001435 - 2⁸ = 155122001179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155122001398 and 155122001407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2417720 + ... + 2481050.

It is an arithmetic number, because the mean of its divisors is an integer number (4343308560).

Almost surely, 2^155122001435 is an apocalyptic number.

155122001435 is a deficient number, since it is larger than the sum of its proper divisors (53356809445).

155122001435 is a wasteful number, since it uses less digits than its factorization.

155122001435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63456 (or 63437 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 155122001435 its reverse (534100221551), we get a palindrome (689222222986).

The spelling of 155122001435 in words is "one hundred fifty-five billion, one hundred twenty-two million, one thousand, four hundred thirty-five".