1551210015061 has 8 divisors (see below), whose sum is σ = 1781810490240. Its totient is φ = 1322859301008.

The previous prime is 1551210015013. The next prime is 1551210015079. The reversal of 1551210015061 is 1605100121551.

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

It is not a de Polignac number, because 1551210015061 - 2¹³ = 1551210006869 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 (1551210055061) 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, 562438801 + ... + 562441558.

It is an arithmetic number, because the mean of its divisors is an integer number (222726311280).

Almost surely, 2^{1551210015061} is an apocalyptic number.

It is an amenable number.

1551210015061 is a deficient number, since it is larger than the sum of its proper divisors (230600475179).

1551210015061 is a wasteful number, since it uses less digits than its factorization.

1551210015061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124880563.

The product of its (nonzero) digits is 1500, while the sum is 28.

The spelling of 1551210015061 in words is "one trillion, five hundred fifty-one billion, two hundred ten million, fifteen thousand, sixty-one".