1005612610551 has 8 divisors (see below), whose sum is σ = 1340837361024. Its totient is φ = 670398133560.

The previous prime is 1005612610469. The next prime is 1005612610553. The reversal of 1005612610551 is 1550162165001.

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

It is not a de Polignac number, because 1005612610551 - 2¹¹ = 1005612608503 is a prime.

It is a super-2 number, since 2×1005612610551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005612610553) 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, 2336995 + ... + 2733636.

It is an arithmetic number, because the mean of its divisors is an integer number (167604670128).

Almost surely, 2^{1005612610551} is an apocalyptic number.

1005612610551 is a deficient number, since it is larger than the sum of its proper divisors (335224750473).

1005612610551 is an equidigital number, since it uses as much as digits as its factorization.

1005612610551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136741.

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 1005612610551 its reverse (1550162165001), we get a palindrome (2555774775552).

The spelling of 1005612610551 in words is "one trillion, five billion, six hundred twelve million, six hundred ten thousand, five hundred fifty-one".