155280612002 has 16 divisors (see below), whose sum is σ = 235338204600. Its totient is φ = 76835270400.

The previous prime is 155280611963. The next prime is 155280612013. The reversal of 155280612002 is 200216082551.

It can be written as a sum of positive squares in 4 ways, for example, as 149560866361 + 5719745641 = 386731^2 + 75629^2 .

It is a super-2 number, since 2×155280612002² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155280612002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249524 + ... + 610592.

Almost surely, 2^155280612002 is an apocalyptic number.

155280612002 is a deficient number, since it is larger than the sum of its proper divisors (80057592598).

155280612002 is a wasteful number, since it uses less digits than its factorization.

155280612002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363301.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 155280612002 its reverse (200216082551), we get a palindrome (355496694553).

The spelling of 155280612002 in words is "one hundred fifty-five billion, two hundred eighty million, six hundred twelve thousand, two".