1551561150004 has 24 divisors (see below), whose sum is σ = 2743374614400. Its totient is φ = 767778031200.

The previous prime is 1551561149993. The next prime is 1551561150019. The reversal of 1551561150004 is 4000511651551.

It is a congruent number.

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, 4612264 + ... + 4937215.

It is an arithmetic number, because the mean of its divisors is an integer number (114307275600).

Almost surely, 2^{1551561150004} is an apocalyptic number.

It is an amenable number.

1551561150004 is a deficient number, since it is larger than the sum of its proper divisors (1191813464396).

1551561150004 is a wasteful number, since it uses less digits than its factorization.

1551561150004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549903 (or 9549901 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 1551561150004 in words is "one trillion, five hundred fifty-one billion, five hundred sixty-one million, one hundred fifty thousand, four".