1012110615551 has 8 divisors (see below), whose sum is σ = 1156719052320. Its totient is φ = 867507480288.

The previous prime is 1012110615547. The next prime is 1012110615587. The reversal of 1012110615551 is 1555160112101.

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 1012110615551 - 2² = 1012110615547 is a prime.

It is a super-2 number, since 2×1012110615551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012110615521) 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, 907496 + ... + 1687533.

It is an arithmetic number, because the mean of its divisors is an integer number (144589881540).

Almost surely, 2^{1012110615551} is an apocalyptic number.

1012110615551 is a deficient number, since it is larger than the sum of its proper divisors (144608436769).

1012110615551 is an equidigital number, since it uses as much as digits as its factorization.

1012110615551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650753.

The product of its (nonzero) digits is 1500, while the sum is 29.

Adding to 1012110615551 its reverse (1555160112101), we get a palindrome (2567270727652).

The spelling of 1012110615551 in words is "one trillion, twelve billion, one hundred ten million, six hundred fifteen thousand, five hundred fifty-one".