1551215160042 has 16 divisors (see below), whose sum is σ = 3153289834272. Its totient is φ = 508595134320.

The previous prime is 1551215160037. The next prime is 1551215160067. The reversal of 1551215160042 is 2400615121551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1551215159985 and 1551215160012.

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, 2119146028 + ... + 2119146759.

It is an arithmetic number, because the mean of its divisors is an integer number (197080614642).

Almost surely, 2^{1551215160042} is an apocalyptic number.

1551215160042 is an abundant number, since it is smaller than the sum of its proper divisors (1602074674230).

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

1551215160042 is a wasteful number, since it uses less digits than its factorization.

1551215160042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238292853.

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 1551215160042 in words is "one trillion, five hundred fifty-one billion, two hundred fifteen million, one hundred sixty thousand, forty-two".