155612380034 has 16 divisors (see below), whose sum is σ = 235753886016. Its totient is φ = 77027910000.

The previous prime is 155612380009. The next prime is 155612380039. The reversal of 155612380034 is 430083216551.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 155612380034.

It is not an unprimeable number, because it can be changed into a prime (155612380039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258969 + ... + 2326835.

It is an arithmetic number, because the mean of its divisors is an integer number (14734617876).

Almost surely, 2^155612380034 is an apocalyptic number.

155612380034 is a deficient number, since it is larger than the sum of its proper divisors (80141505982).

155612380034 is a wasteful number, since it uses less digits than its factorization.

155612380034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79321.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 155612380034 its reverse (430083216551), we get a palindrome (585695596585).

The spelling of 155612380034 in words is "one hundred fifty-five billion, six hundred twelve million, three hundred eighty thousand, thirty-four".