155050400623434 has 8 divisors (see below), whose sum is σ = 310100801246880. Its totient is φ = 51683466874476.

The previous prime is 155050400623423. The next prime is 155050400623441. The reversal of 155050400623434 is 434326004050551.

It is a sphenic number, since it is the product of 3 distinct primes.

155050400623434 is an admirable 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, 12920866718614 + ... + 12920866718625.

It is an arithmetic number, because the mean of its divisors is an integer number (38762600155860).

Almost surely, 2^{155050400623434} is an apocalyptic number.

155050400623434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155050400623434 is a wasteful number, since it uses less digits than its factorization.

155050400623434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25841733437244.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 155050400623434 its reverse (434326004050551), we get a palindrome (589376404673985).

The spelling of 155050400623434 in words is "one hundred fifty-five trillion, fifty billion, four hundred million, six hundred twenty-three thousand, four hundred thirty-four".