1550142112531 has 8 divisors (see below), whose sum is σ = 1561646399600. Its totient is φ = 1538642856960.

The previous prime is 1550142112529. The next prime is 1550142112549. The reversal of 1550142112531 is 1352112410551.

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 1550142112531 - 2¹ = 1550142112529 is a prime.

It is a super-2 number, since 2×1550142112531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1550142112493 and 1550142112502.

It is not an unprimeable number, because it can be changed into a prime (1550142112591) 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, 638286 + ... + 1872883.

It is an arithmetic number, because the mean of its divisors is an integer number (195205799950).

Almost surely, 2^{1550142112531} is an apocalyptic number.

1550142112531 is a deficient number, since it is larger than the sum of its proper divisors (11504287069).

1550142112531 is a wasteful number, since it uses less digits than its factorization.

1550142112531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515749.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 1550142112531 in words is "one trillion, five hundred fifty billion, one hundred forty-two million, one hundred twelve thousand, five hundred thirty-one".