1550796970551 has 8 divisors (see below), whose sum is σ = 2088201861744. Its totient is φ = 1023628363200.

The previous prime is 1550796970531. The next prime is 1550796970559.

1550796970551 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1550796970551 - 2¹⁵ = 1550796937783 is a prime.

It is a super-2 number, since 2×1550796970551² (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 (1550796970559) 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, 2559070606 + ... + 2559071211.

It is an arithmetic number, because the mean of its divisors is an integer number (261025232718).

Almost surely, 2^{1550796970551} is an apocalyptic number.

1550796970551 is a deficient number, since it is larger than the sum of its proper divisors (537404891193).

1550796970551 is a wasteful number, since it uses less digits than its factorization.

1550796970551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118141921.

The product of its (nonzero) digits is 14883750, while the sum is 60.

The spelling of 1550796970551 in words is "one trillion, five hundred fifty billion, seven hundred ninety-six million, nine hundred seventy thousand, five hundred fifty-one".