2010201515551 has 8 divisors (see below), whose sum is σ = 2031537736800. Its totient is φ = 1988917912800.

The previous prime is 2010201515533. The next prime is 2010201515561. The reversal of 2010201515551 is 1555151020102.

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

It is a cyclic number.

It is not a de Polignac number, because 2010201515551 - 2²³ = 2010193126943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010201515561) 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, 13077811 + ... + 13230628.

It is an arithmetic number, because the mean of its divisors is an integer number (253942217100).

Almost surely, 2^{2010201515551} is an apocalyptic number.

2010201515551 is a deficient number, since it is larger than the sum of its proper divisors (21336221249).

2010201515551 is a wasteful number, since it uses less digits than its factorization.

2010201515551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26309249.

The product of its (nonzero) digits is 2500, while the sum is 28.

Adding to 2010201515551 its reverse (1555151020102), we get a palindrome (3565352535653).

The spelling of 2010201515551 in words is "two trillion, ten billion, two hundred one million, five hundred fifteen thousand, five hundred fifty-one".